talons

folder.c (111552B)

---

 /*
  * Claws Mail -- a GTK based, lightweight, and fast e-mail client
  * Copyright (C) 1999-2025 the Claws Mail team and Hiroyuki Yamamoto
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 3 of the License, or
  * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include "defs.h"
 
 #include <glib.h>
 #include <glib/gi18n.h>
 #include <stdio.h>
 #include <string.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>
 #include <stdlib.h>
 
 #include "alertpanel.h"
 #include "folder.h"
 #include "session.h"
 #include "inc.h"
 #include "imap.h"
 #include "mh.h"
 #include "utils.h"
 #include "xml.h"
 #include "codeconv.h"
 #include "prefs_gtk.h"
 #include "account.h"
 #include "procheader.h"
 #include "hooks.h"
 #include "log.h"
 #include "folder_item_prefs.h"
 #include "remotefolder.h"
 #include "statusbar.h"
 #include "gtkutils.h"
 #include "compose.h"
 #include "main.h"
 #include "msgcache.h"
 #include "prefs_common.h"
 #include "file-utils.h"
 
 /* Dependecies to be removed ?! */
 #include "prefs_account.h"
 
 # ifndef S_IROTH
 # define S_IROTH 0
 # define S_IWOTH 0
 # endif
 
 static GList *folder_list = NULL;
 static GSList *class_list = NULL;
 static GSList *folder_unloaded_list = NULL;
 
 void folder_init		(Folder		*folder,
 				 const gchar	*name);
 
 static gchar *folder_item_get_cache_file	(FolderItem	*item);
 static gchar *folder_item_get_mark_file	(FolderItem	*item);
 static gchar *folder_item_get_tags_file	(FolderItem	*item);
 static GNode *folder_get_xml_node	(Folder 	*folder);
 static Folder *folder_get_from_xml	(GNode 		*node);
 static void folder_update_op_count_rec	(GNode		*node);
 
 static void folder_item_read_cache		(FolderItem *item);
 gint folder_item_scan_full		(FolderItem *item, gboolean filtering);
 static void folder_item_update_with_msg (FolderItem *item, FolderItemUpdateFlags update_flags,
                                          MsgInfo *msg);
 
 void folder_system_init(void)
 {
 	folder_register_class(mh_get_class());
 	folder_register_class(imap_get_class());
 }
 
 static GSList *folder_get_class_list(void)
 {
 	return class_list;
 }
 
 void folder_register_class(FolderClass *klass)
 {
 	GSList *xmllist, *cur;
 
 	debug_print("registering folder class %s\n", klass->idstr);
 
 	class_list = g_slist_append(class_list, klass);
 
 	xmllist = g_slist_copy(folder_unloaded_list);
 	for (cur = xmllist; cur != NULL; cur = g_slist_next(cur)) {
 		GNode *node = (GNode *) cur->data;
 		XMLNode *xmlnode = (XMLNode *) node->data;
 		GList *cur = xmlnode->tag->attr;
 
 		for (; cur != NULL; cur = g_list_next(cur)) {
 			XMLAttr *attr = (XMLAttr *) cur->data;
 
 			if (!attr || !attr->name || !attr->value) continue;
 			if (!strcmp(attr->name, "type") && !strcmp(attr->value, klass->idstr)) {
 				Folder *folder;
 
 				folder = folder_get_from_xml(node);
 				if (folder) {
 					folder_add(folder);
 					folder_unloaded_list = g_slist_remove(folder_unloaded_list, node);
 					xml_free_tree(node);
 				}
 				cur = NULL;
 				continue;
 			}
 		}
 	}
 	g_slist_free(xmllist);
 }
 
 void folder_unregister_class(FolderClass *klass)
 {
 	GList *folderlist, *cur;
 
 	debug_print("unregistering folder class %s\n", klass->idstr);
 
 	class_list = g_slist_remove(class_list, klass);
 
 	folderlist = g_list_copy(folder_get_list());
 	for (cur = folderlist; cur != NULL; cur = g_list_next(cur)) {
 		Folder *folder = (Folder *) cur->data;
 
 		if (folder->klass == klass) {
 			GNode *xmlnode = folder_get_xml_node(folder);
 			folder_unloaded_list = g_slist_append(folder_unloaded_list, xmlnode);
 			folder_destroy(folder);
 		}
 	}
 	g_list_free(folderlist);
 
 	if (klass->prefs_pages)
 		g_slist_free(klass->prefs_pages);
 }
 
 Folder *folder_new(FolderClass *klass, const gchar *name, const gchar *path)
 {
 	Folder *folder = NULL;
 	FolderItem *item;
 
 	cm_return_val_if_fail(klass != NULL, NULL);
 
 	name = name ? name : path;
 	folder = klass->new_folder(name, path);
 
 	/* Create root folder item */
 	item = folder_item_new(folder, name, NULL);
 	if (item == NULL) {
 		return NULL;
 	}
 	item->folder = folder;
 	folder->node = item->node;
 	folder->data = NULL;
 
 	return folder;
 }
 
 void folder_init(Folder *folder, const gchar *name)
 {
 	cm_return_if_fail(folder != NULL);
 
 	folder_set_name(folder, name);
 
 	/* Init folder data */
 	folder->account = NULL;
 	folder->sort = 0;
 	folder->inbox = NULL;
 	folder->outbox = NULL;
 	folder->draft = NULL;
 	folder->queue = NULL;
 	folder->trash = NULL;
 }
 
 static void reset_parent_type(FolderItem *item, gpointer data) {
 	item->parent_stype = -1;
 }
 
 void folder_item_change_type(FolderItem *item, SpecialFolderItemType newtype)
 {
 	Folder *folder = NULL;
 	FolderUpdateData hookdata;
 
 	if (item == NULL)
 		return;
 
 	folder = item->folder;
 	/* unset previous root of newtype */
 	switch(newtype) {
 	case F_INBOX:
 		folder_item_change_type(folder->inbox, F_NORMAL);
 		folder->inbox = item;
 		break;
 	case F_OUTBOX:
 		folder_item_change_type(folder->outbox, F_NORMAL);
 		folder->outbox = item;
 		break;
 	case F_QUEUE:
 		folder_item_change_type(folder->queue, F_NORMAL);
 		folder->queue = item;
 		break;
 	case F_DRAFT:
 		folder_item_change_type(folder->draft, F_NORMAL);
 		folder->draft = item;
 		break;
 	case F_TRASH:
 		folder_item_change_type(folder->trash, F_NORMAL);
 		folder->trash = item;
 		break;
 	case F_NORMAL:
 	default:
 		break;
 	}
 	/* set new type for current folder and sons */
 	item->stype = newtype;
 	folder_func_to_all_folders(reset_parent_type, NULL);
 
 	hookdata.folder = folder;
 	hookdata.update_flags = FOLDER_TREE_CHANGED;
 	hookdata.item = NULL;
 	hookdata.item2 = NULL;
 	hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 }
 
 void folder_destroy(Folder *folder)
 {
 	cm_return_if_fail(folder != NULL);
 	cm_return_if_fail(folder->klass->destroy_folder != NULL);
 
 	folder_remove(folder);
 
 	folder_tree_destroy(folder);
 
 	folder->klass->destroy_folder(folder);
 
 	g_free(folder->name);
 	g_free(folder);
 }
 
 void folder_set_xml(Folder *folder, XMLTag *tag)
 {
 	GList *cur;
 	FolderItem *rootitem = NULL;
 
 	if ((folder->node != NULL) && (folder->node->data != NULL))
 		rootitem = (FolderItem *) folder->node->data;
 
 	for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 		XMLAttr *attr = (XMLAttr *) cur->data;
 
 		if (!attr || !attr->name || !attr->value) continue;
 		if (!strcmp(attr->name, "name")) {
 			g_free(folder->name);
 			folder->name = g_strdup(attr->value);
 			if (rootitem != NULL) {
 				g_free(rootitem->name);
 				rootitem->name = g_strdup(attr->value);
 			}
 		} else if (!strcmp(attr->name, "account_id")) {
 			PrefsAccount *account;
 
 			account = account_find_from_id(atoi(attr->value));
 			if (!account)
 				g_warning("account_id: %s not found", attr->value);
 			else {
 				folder->account = account;
 				account->folder = folder;
 			}
 		} else if (!strcmp(attr->name, "collapsed")) {
 			if (rootitem != NULL)
 				rootitem->collapsed = *attr->value == '1' ? TRUE : FALSE;
 		} else if (!strcmp(attr->name, "sort")) {
 			folder->sort = atoi(attr->value);
 		}
 	}
 }
 
 XMLTag *folder_get_xml(Folder *folder)
 {
 	XMLTag *tag;
 
 	tag = xml_tag_new("folder");
 
 	if (folder->name)
 		xml_tag_add_attr(tag, xml_attr_new("name", folder->name));
 	if (folder->account)
 		xml_tag_add_attr(tag, xml_attr_new_int("account_id", folder->account->account_id));
 	if (folder->node && folder->node->data) {
 		FolderItem *rootitem = (FolderItem *) folder->node->data;
 
 		xml_tag_add_attr(tag, xml_attr_new("collapsed", rootitem->collapsed ? "1" : "0"));
 	}
 	xml_tag_add_attr(tag, xml_attr_new_int("sort", folder->sort));
 
 	return tag;
 }
 
 FolderItem *folder_item_new(Folder *folder, const gchar *name, const gchar *path)
 {
 	FolderItem *item = NULL;
 
 	cm_return_val_if_fail(folder != NULL, NULL);
 
 	if (folder->klass->item_new) {
 		item = folder->klass->item_new(folder);
 	} else {
 		item = g_new0(FolderItem, 1);
 	}
 
 	cm_return_val_if_fail(item != NULL, NULL);
 
 	item->stype = F_NORMAL;
 
 	if(!g_utf8_validate(name, -1, NULL)) {
 		item->name = g_malloc(strlen(name)*2+1);
 		conv_localetodisp(item->name, strlen(name)*2+1, name);
 	} else {
 		item->name = g_strdup(name);
 	}
 
 	item->path = g_strdup(path);
 	item->mtime = 0;
 	item->new_msgs = 0;
 	item->unread_msgs = 0;
 	item->unreadmarked_msgs = 0;
 	item->marked_msgs = 0;
 	item->total_msgs = 0;
 	item->replied_msgs = 0;
 	item->forwarded_msgs = 0;
 	item->locked_msgs = 0;
 	item->ignored_msgs = 0;
 	item->watched_msgs = 0;
 	item->order = 0;
 	item->last_num = -1;
 	item->cache = NULL;
 	item->no_sub = FALSE;
 	item->no_select = FALSE;
 	item->collapsed = FALSE;
 	item->thread_collapsed = prefs_common.folder_default_thread_collapsed;
 	item->threaded  = prefs_common.folder_default_thread;
 	item->hide_read_threads = prefs_common.folder_default_hide_read_threads;
 	item->hide_read_msgs = prefs_common.folder_default_hide_read_msgs;
 	item->hide_del_msgs = prefs_common.folder_default_hide_del_msgs;
 	item->opened    = FALSE;
 	item->node = g_node_new(item);
 	item->folder = NULL;
 	item->account = NULL;
 	item->apply_sub = FALSE;
 	item->mark_queue = NULL;
 	item->data = NULL;
 	item->parent_stype = -1;
 
 	item->sort_key = prefs_common.default_sort_key;
 	item->sort_type = prefs_common.default_sort_type;
 
 	item->prefs = folder_item_prefs_new();
 
 	return item;
 }
 
 void folder_item_append(FolderItem *parent, FolderItem *item)
 {
 	cm_return_if_fail(parent != NULL);
 	cm_return_if_fail(parent->folder != NULL);
 	cm_return_if_fail(parent->node != NULL);
 	cm_return_if_fail(item != NULL);
 
 	item->folder = parent->folder;
 	g_node_append(parent->node, item->node);
 }
 
 void folder_item_remove(FolderItem *item)
 {
 	GNode *node, *start_node;
 	FolderUpdateData hookdata;
 	gchar *tags_file = NULL;
 
 	cm_return_if_fail(item != NULL);
 	cm_return_if_fail(item->folder != NULL);
 	cm_return_if_fail(item->folder->node != NULL);
 
 	start_node = item->node;
 
 	node = item->folder->node;
 
 	node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 	node = node->children;
 
 	/* remove my children */
 	while (node != NULL) {
 		if (node && node->data) {
 			FolderItem *sub_item = (FolderItem*) node->data;
 			node = node->next;
 			folder_item_remove(sub_item);
 		}
 	}
 
 	/* remove myself */
 	if (item->cache != NULL) {
 		msgcache_destroy(item->cache);
 		item->cache = NULL;
 	}
 
 	tags_file = folder_item_get_tags_file(item);
 	if (tags_file) {
 		gchar *tags_dir;
 
 		unlink(tags_file);
 
 		tags_dir = g_path_get_dirname(tags_file);
 		if (tags_dir)
 			rmdir(tags_dir);
 		g_free(tags_dir);
 	}
 	g_free(tags_file);
 
 	hookdata.folder = item->folder;
 	hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_REMOVE_FOLDERITEM;
 	hookdata.item = item;
 	hookdata.item2 = NULL;
 	hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 
 	node = start_node;
 
 	if (item->folder->node == node)
 		item->folder->node = NULL;
 
 	folder_item_destroy(item);
 
 	g_node_destroy(node);
 }
 
 void folder_item_remove_children(FolderItem *item)
 {
 	GNode *node, *next;
 
 	cm_return_if_fail(item != NULL);
 	cm_return_if_fail(item->folder != NULL);
 	cm_return_if_fail(item->node != NULL);
 
 	node = item->node->children;
 	while (node != NULL) {
 		next = node->next;
 		folder_item_remove(FOLDER_ITEM(node->data));
 		node = next;
 	}
 }
 
 void folder_item_destroy(FolderItem *item)
 {
 	Folder *folder;
 
 	cm_return_if_fail(item != NULL);
 
 	folder = item->folder;
 	if (folder) {
 		if (folder->inbox == item)
 			folder->inbox = NULL;
 		else if (folder->outbox == item)
 			folder->outbox = NULL;
 		else if (folder->draft == item)
 			folder->draft = NULL;
 		else if (folder->queue == item)
 			folder->queue = NULL;
 		else if (folder->trash == item)
 			folder->trash = NULL;
 	}
 
 	if (item->cache)
 		folder_item_free_cache(item, TRUE);
 	if (item->prefs)
 		folder_item_prefs_free(item->prefs);
 	g_free(item->name);
 	g_free(item->path);
 
 	if (item->folder != NULL) {
 		if(item->folder->klass->item_destroy) {
 			item->folder->klass->item_destroy(item->folder, item);
 		} else {
 			g_free(item);
 		}
 	}
 }
 
 FolderItem *folder_item_parent(FolderItem *item)
 {
 	cm_return_val_if_fail(item != NULL, NULL);
 	cm_return_val_if_fail(item->node != NULL, NULL);
 
 	if (item->node->parent == NULL)
 		return NULL;
 	return (FolderItem *) item->node->parent->data;
 }
 
 void folder_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag)
 {
 	GList *cur;
 
 	for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 		XMLAttr *attr = (XMLAttr *) cur->data;
 
 		if (!attr || !attr->name || !attr->value) continue;
 		if (!strcmp(attr->name, "type")) {
 			if (!g_ascii_strcasecmp(attr->value, "normal"))
 				item->stype = F_NORMAL;
 			else if (!g_ascii_strcasecmp(attr->value, "inbox"))
 				item->stype = F_INBOX;
 			else if (!g_ascii_strcasecmp(attr->value, "outbox"))
 				item->stype = F_OUTBOX;
 			else if (!g_ascii_strcasecmp(attr->value, "draft"))
 				item->stype = F_DRAFT;
 			else if (!g_ascii_strcasecmp(attr->value, "queue"))
 				item->stype = F_QUEUE;
 			else if (!g_ascii_strcasecmp(attr->value, "trash"))
 				item->stype = F_TRASH;
 		} else if (!strcmp(attr->name, "name")) {
 			g_free(item->name);
 			item->name = g_strdup(attr->value);
 		} else if (!strcmp(attr->name, "path")) {
 			g_free(item->path);
 			item->path = g_strdup(attr->value);
 		} else if (!strcmp(attr->name, "mtime"))
 			item->mtime = strtoul(attr->value, NULL, 10);
 		else if (!strcmp(attr->name, "new"))
 			item->new_msgs = atoi(attr->value);
 		else if (!strcmp(attr->name, "unread"))
 			item->unread_msgs = atoi(attr->value);
 		else if (!strcmp(attr->name, "unreadmarked"))
 			item->unreadmarked_msgs = atoi(attr->value);
 		else if (!strcmp(attr->name, "marked"))
 			item->marked_msgs = atoi(attr->value);
 		else if (!strcmp(attr->name, "replied"))
 			item->replied_msgs = atoi(attr->value);
 		else if (!strcmp(attr->name, "forwarded"))
 			item->forwarded_msgs = atoi(attr->value);
 		else if (!strcmp(attr->name, "locked"))
 			item->locked_msgs = atoi(attr->value);
 		else if (!strcmp(attr->name, "ignored"))
 			item->ignored_msgs = atoi(attr->value);
 		else if (!strcmp(attr->name, "watched"))
 			item->watched_msgs = atoi(attr->value);
 		else if (!strcmp(attr->name, "order"))
 			item->order = atoi(attr->value);
 		else if (!strcmp(attr->name, "total"))
 			item->total_msgs = atoi(attr->value);
 		else if (!strcmp(attr->name, "no_sub"))
 			item->no_sub = *attr->value == '1' ? TRUE : FALSE;
 		else if (!strcmp(attr->name, "no_select"))
 			item->no_select = *attr->value == '1' ? TRUE : FALSE;
 		else if (!strcmp(attr->name, "collapsed"))
 			item->collapsed = *attr->value == '1' ? TRUE : FALSE;
 		else if (!strcmp(attr->name, "thread_collapsed"))
 			item->thread_collapsed =  *attr->value == '1' ? TRUE : FALSE;
 		else if (!strcmp(attr->name, "threaded"))
 			item->threaded =  *attr->value == '1' ? TRUE : FALSE;
 		else if (!strcmp(attr->name, "hidereadmsgs"))
 			item->hide_read_msgs =  *attr->value == '1' ? TRUE : FALSE;
 		else if (!strcmp(attr->name, "hidedelmsgs"))
 			item->hide_del_msgs =  *attr->value == '1' ? TRUE : FALSE;
 		else if (!strcmp(attr->name, "hidereadthreads"))
 			item->hide_read_threads =  *attr->value == '1' ? TRUE : FALSE;
 		else if (!strcmp(attr->name, "sort_key")) {
 			if (!strcmp(attr->value, "none"))
 				item->sort_key = SORT_BY_NONE;
 			else if (!strcmp(attr->value, "number"))
 				item->sort_key = SORT_BY_NUMBER;
 			else if (!strcmp(attr->value, "size"))
 				item->sort_key = SORT_BY_SIZE;
 			else if (!strcmp(attr->value, "date"))
 				item->sort_key = SORT_BY_DATE;
 			else if (!strcmp(attr->value, "from"))
 				item->sort_key = SORT_BY_FROM;
 			else if (!strcmp(attr->value, "subject"))
 				item->sort_key = SORT_BY_SUBJECT;
 			else if (!strcmp(attr->value, "score"))
 				item->sort_key = SORT_BY_SCORE;
 			else if (!strcmp(attr->value, "label"))
 				item->sort_key = SORT_BY_LABEL;
 			else if (!strcmp(attr->value, "mark"))
 				item->sort_key = SORT_BY_MARK;
 			else if (!strcmp(attr->value, "unread"))
 				item->sort_key = SORT_BY_STATUS;
 			else if (!strcmp(attr->value, "mime"))
 				item->sort_key = SORT_BY_MIME;
 			else if (!strcmp(attr->value, "to"))
 				item->sort_key = SORT_BY_TO;
 			else if (!strcmp(attr->value, "locked"))
 				item->sort_key = SORT_BY_LOCKED;
 			else if (!strcmp(attr->value, "tags"))
 				item->sort_key = SORT_BY_TAGS;
 			else if (!strcmp(attr->value, "thread_date"))
 				item->sort_key = SORT_BY_THREAD_DATE;
 		} else if (!strcmp(attr->name, "sort_type")) {
 			if (!strcmp(attr->value, "ascending"))
 				item->sort_type = SORT_ASCENDING;
 			else
 				item->sort_type = SORT_DESCENDING;
 		} else if (!strcmp(attr->name, "account_id")) {
 			PrefsAccount *account;
 
 			account = account_find_from_id(atoi(attr->value));
 			if (!account)
 				g_warning("account_id: %s not found", attr->value);
 			else
 				item->account = account;
 		} else if (!strcmp(attr->name, "apply_sub")) {
 			item->apply_sub = *attr->value == '1' ? TRUE : FALSE;
 		} else if (!strcmp(attr->name, "last_seen")) {
 			item->last_seen = atoi(attr->value);
 		}
 	}
 	/* options without meaning in drafts */
 	if (item->stype == F_DRAFT)
 		item->hide_read_msgs =
 			item->hide_del_msgs =
 				item->hide_read_threads = FALSE;
 }
 
 XMLTag *folder_item_get_xml(Folder *folder, FolderItem *item)
 {
 	static gchar *folder_item_stype_str[] = {"normal", "inbox", "outbox",
 						 "draft", "queue", "trash"};
 	static gchar *sort_key_str[] = {"none", "number", "size", "date",
 					"from", "subject", "score", "label",
 					"mark", "unread", "mime", "to",
 					"locked", "tags", "thread_date" };
 	XMLTag *tag;
 	gchar *value;
 
 	tag = xml_tag_new("folderitem");
 
 	xml_tag_add_attr(tag, xml_attr_new("type", folder_item_stype_str[item->stype]));
 	if (item->name)
 		xml_tag_add_attr(tag, xml_attr_new("name", item->name));
 	if (item->path)
 		xml_tag_add_attr(tag, xml_attr_new("path", item->path));
 	if (item->no_sub)
 		xml_tag_add_attr(tag, xml_attr_new("no_sub", "1"));
 	if (item->no_select)
 		xml_tag_add_attr(tag, xml_attr_new("no_select", "1"));
 	xml_tag_add_attr(tag, xml_attr_new("collapsed", item->collapsed && item->node->children ? "1" : "0"));
 	xml_tag_add_attr(tag, xml_attr_new("thread_collapsed", item->thread_collapsed ? "1" : "0"));
 	xml_tag_add_attr(tag, xml_attr_new("threaded", item->threaded ? "1" : "0"));
 	xml_tag_add_attr(tag, xml_attr_new("hidereadmsgs", item->hide_read_msgs ? "1" : "0"));
 	xml_tag_add_attr(tag, xml_attr_new("hidedelmsgs", item->hide_del_msgs ? "1" : "0"));
 	xml_tag_add_attr(tag, xml_attr_new("hidereadthreads", item->hide_read_threads ? "1" : "0"));
 
 	if (item->sort_key != SORT_BY_NONE) {
 		xml_tag_add_attr(tag, xml_attr_new("sort_key", sort_key_str[item->sort_key]));
 		xml_tag_add_attr(tag, xml_attr_new("sort_type", item->sort_type == SORT_ASCENDING ? "ascending" : "descending"));
 	}
 
 	value = g_strdup_printf("%ld", (unsigned long int) item->mtime);
 	xml_tag_add_attr(tag, xml_attr_new("mtime", value));
 	g_free(value);
 	xml_tag_add_attr(tag, xml_attr_new_int("new", item->new_msgs));
 	xml_tag_add_attr(tag, xml_attr_new_int("unread", item->unread_msgs));
 	xml_tag_add_attr(tag, xml_attr_new_int("unreadmarked", item->unreadmarked_msgs));
 	xml_tag_add_attr(tag, xml_attr_new_int("marked", item->marked_msgs));
 	xml_tag_add_attr(tag, xml_attr_new_int("total", item->total_msgs));
 	xml_tag_add_attr(tag, xml_attr_new_int("replied", item->replied_msgs));
 	xml_tag_add_attr(tag, xml_attr_new_int("forwarded", item->forwarded_msgs));
 	xml_tag_add_attr(tag, xml_attr_new_int("locked", item->locked_msgs));
 	xml_tag_add_attr(tag, xml_attr_new_int("ignore", item->ignored_msgs));
 	xml_tag_add_attr(tag, xml_attr_new_int("watched", item->watched_msgs));
 	xml_tag_add_attr(tag, xml_attr_new_int("order", item->order));
 
 	if (item->account)
 		xml_tag_add_attr(tag, xml_attr_new_int("account_id", item->account->account_id));
 	if (item->apply_sub)
 		xml_tag_add_attr(tag, xml_attr_new("apply_sub", "1"));
 
 	xml_tag_add_attr(tag, xml_attr_new_int("last_seen", item->last_seen));
 
 	return tag;
 }
 
 void folder_set_ui_func(Folder *folder, FolderUIFunc func, gpointer data)
 {
 	cm_return_if_fail(folder != NULL);
 
 	folder->ui_func = func;
 	folder->ui_func_data = data;
 }
 
 void folder_set_name(Folder *folder, const gchar *name)
 {
 	cm_return_if_fail(folder != NULL);
 
 	g_free(folder->name);
 	folder->name = name ? g_strdup(name) : NULL;
 	if (folder->node && folder->node->data) {
 		FolderItem *item = (FolderItem *)folder->node->data;
 
 		g_free(item->name);
 		item->name = name ? g_strdup(name) : NULL;
 	}
 }
 
 void folder_set_sort(Folder *folder, guint sort)
 {
 	cm_return_if_fail(folder != NULL);
 
 	if (folder->sort != sort) {
 		folder_remove(folder);
 		folder->sort = sort;
 		folder_add(folder);
 	}
 }
 
 static gboolean folder_tree_destroy_func(GNode *node, gpointer data) {
 	FolderItem *item = (FolderItem *) node->data;
 
 	folder_item_destroy(item);
 	return FALSE;
 }
 
 void folder_tree_destroy(Folder *folder)
 {
 	GNode *node;
 
 	cm_return_if_fail(folder != NULL);
 
 	node = folder->node;
 	if (node != NULL) {
 		g_node_traverse(node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 				folder_tree_destroy_func, NULL);
 		g_node_destroy(node);
 		folder->node = NULL;
 	}
 }
 
 void folder_add(Folder *folder)
 {
 	Folder *cur_folder;
 	GList *cur;
 	gint i;
 	FolderUpdateData hookdata;
 
 	cm_return_if_fail(folder != NULL);
 
 	if ((FOLDER_TYPE(folder) == F_IMAP ||
 	     FOLDER_TYPE(folder) == F_NEWS) &&
 	    folder->account == NULL) {
 		return;
 	}
 
 	for (i = 0, cur = folder_list; cur != NULL; cur = cur->next, i++) {
 		cur_folder = FOLDER(cur->data);
 		if (cur_folder->sort < folder->sort)
 			break;
 	}
 
 	folder_list = g_list_insert(folder_list, folder, i);
 
 	hookdata.folder = folder;
 	hookdata.update_flags = FOLDER_ADD_FOLDER;
 	hookdata.item = NULL;
 	hookdata.item2 = NULL;
 	hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 }
 
 void folder_remove(Folder *folder)
 {
 	FolderUpdateData hookdata;
 
 	cm_return_if_fail(folder != NULL);
 
 	folder_list = g_list_remove(folder_list, folder);
 
 	hookdata.folder = folder;
 	hookdata.update_flags = FOLDER_REMOVE_FOLDER;
 	hookdata.item = NULL;
 	hookdata.item2 = NULL;
 	hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 }
 
 GList *folder_get_list(void)
 {
 	return folder_list;
 }
 
 gint folder_read_list(void)
 {
 	GNode *node, *cur;
 	XMLNode *xmlnode;
 	gchar *path;
 	GList *list;
 	gint config_version = -1;
 
 	path = folder_get_list_path();
 	node = xml_parse_file(path);
 	if (!node) return -1;
 
 	xmlnode = node->data;
 	if (g_strcmp0(xmlnode->tag->tag, "folderlist") != 0) {
 		g_warning("wrong folder list");
 		xml_free_tree(node);
 		return -1;
 	}
 
 	cur = node->children;
 	while (cur != NULL) {
 		Folder *folder;
 
 		folder = folder_get_from_xml(cur);
 		if (folder != NULL)
 			folder_add(folder);
 		else
 			folder_unloaded_list = g_slist_append(folder_unloaded_list,
 				(gpointer) xml_copy_tree(cur));
 		cur = cur->next;
 	}
 
 	for (list = xmlnode->tag->attr; list != NULL; list = list->next) {
 		XMLAttr *attr = list->data;
 
 		if (!attr || !attr->name || !attr->value) continue;
 		if (!strcmp(attr->name, "config_version")) {
 			config_version = atoi(attr->value);
 			debug_print("Found folderlist config_version %d\n", config_version);
 		}
 	}
 
 	xml_free_tree(node);
 
 	if (folder_list || folder_unloaded_list)
 		return 0;
 	return -1;
 }
 
 void folder_write_list(void)
 {
 	GList *list;
 	GSList *slist;
 	Folder *folder;
 	gchar *path;
 	PrefFile *pfile;
 	GNode *rootnode;
 	XMLNode *xmlnode;
 	XMLTag *tag;
 
 	path = folder_get_list_path();
 	if ((pfile = prefs_write_open(path)) == NULL) return;
 
 	if (xml_file_put_xml_decl(pfile->fp) < 0) {
 		prefs_file_close_revert(pfile);
 		g_warning("failed to start write folder list");
 		return;
 	}
 	tag = xml_tag_new("folderlist");
 	xml_tag_add_attr(tag, xml_attr_new_int("config_version",
 				CLAWS_CONFIG_VERSION));
 
 	xmlnode = xml_node_new(tag, NULL);
 
 	rootnode = g_node_new(xmlnode);
 
 	for (list = folder_list; list != NULL; list = list->next) {
 		GNode *node;
 
 		folder = list->data;
 		node = folder_get_xml_node(folder);
 		if (node != NULL)
 			g_node_append(rootnode, node);
 	}
 
 	for (slist = folder_unloaded_list; slist != NULL; slist = g_slist_next(slist)) {
 		GNode *node = (GNode *) slist->data;
 
 		g_node_append(rootnode, (gpointer) xml_copy_tree(node));
 	}
 
 	if (xml_write_tree(rootnode, pfile->fp) < 0) {
 		prefs_file_close_revert(pfile);
 		g_warning("failed to write folder list");
 	} else if (prefs_file_close(pfile) < 0) {
 		g_warning("failed to write folder list");
 	}
 	xml_free_tree(rootnode);
 }
 
 void folder_scan_tree(Folder *folder, gboolean rebuild)
 {
 	FolderUpdateData hookdata;
 	Folder *old_folder = folder;
 
 	if (!folder->klass->scan_tree)
 		return;
 
 	if (rebuild)
 		folder_remove(folder);
 
 	if (folder->klass->scan_tree(folder) < 0) {
 		if (rebuild)
 			folder_add(old_folder);
 		return;
 	} else if (rebuild)
 		folder_add(folder);
 
 	hookdata.folder = folder;
 	hookdata.update_flags = FOLDER_TREE_CHANGED;
 	hookdata.item = NULL;
 	hookdata.item2 = NULL;
 	hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 
 	folder_write_list();
 }
 
 FolderItem *folder_create_folder(FolderItem *parent, const gchar *name)
 {
 	FolderItem *new_item;
 
 	cm_return_val_if_fail(parent != NULL, NULL);
 
 	new_item = parent->folder->klass->create_folder(parent->folder, parent, name);
 	if (new_item) {
 		FolderUpdateData hookdata;
 
 		new_item->cache = msgcache_new();
 		new_item->cache_dirty = TRUE;
 		new_item->mark_dirty = TRUE;
 		new_item->tags_dirty = TRUE;
 
 		hookdata.folder = new_item->folder;
 		hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDERITEM;
 		hookdata.item = new_item;
 		hookdata.item2 = NULL;
 		hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 	}
 
 	return new_item;
 }
 
 gint folder_item_rename(FolderItem *item, gchar *newname)
 {
 	gint retval;
 
 	cm_return_val_if_fail(item != NULL, -1);
 	cm_return_val_if_fail(newname != NULL, -1);
 
 	retval = item->folder->klass->rename_folder(item->folder, item, newname);
 
 	if (retval >= 0) {
 		FolderItemUpdateData hookdata;
 		FolderUpdateData hookdata2;
 
 		hookdata.item = item;
 		hookdata.update_flags = F_ITEM_UPDATE_NAME;
 		hookdata.msg = NULL;
 		hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
 
 		hookdata2.folder = item->folder;
 		hookdata2.item = item;
 		hookdata2.item2 = NULL;
 		hookdata2.update_flags = FOLDER_RENAME_FOLDERITEM;
 		hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata2);
 	}
 
 	return retval;
 }
 
 struct TotalMsgCount
 {
 	guint new_msgs;
 	guint unread_msgs;
 	guint unreadmarked_msgs;
 	guint marked_msgs;
 	guint total_msgs;
 	guint replied_msgs;
 	guint forwarded_msgs;
 	guint locked_msgs;
 	guint ignored_msgs;
 	guint watched_msgs;
 };
 
 struct FuncToAllFoldersData
 {
 	FolderItemFunc	function;
 	gpointer	data;
 };
 
 static gboolean folder_func_to_all_folders_func(GNode *node, gpointer data)
 {
 	FolderItem *item;
 	struct FuncToAllFoldersData *function_data = (struct FuncToAllFoldersData *) data;
 
 	cm_return_val_if_fail(node->data != NULL, FALSE);
 
 	item = FOLDER_ITEM(node->data);
 	cm_return_val_if_fail(item != NULL, FALSE);
 
 	function_data->function(item, function_data->data);
 
 	return FALSE;
 }
 
 void folder_func_to_all_folders(FolderItemFunc function, gpointer data)
 {
 	GList *list;
 	Folder *folder;
 	struct FuncToAllFoldersData function_data;
 
 	function_data.function = function;
 	function_data.data = data;
 
 	for (list = folder_list; list != NULL; list = list->next) {
 		folder = FOLDER(list->data);
 		if (folder->node)
 			g_node_traverse(folder->node, G_PRE_ORDER,
 					G_TRAVERSE_ALL, -1,
 					folder_func_to_all_folders_func,
 					&function_data);
 	}
 }
 
 static void folder_count_total_msgs_func(FolderItem *item, gpointer data)
 {
 	struct TotalMsgCount *count = (struct TotalMsgCount *)data;
 
 	count->new_msgs += item->new_msgs;
 	count->unread_msgs += item->unread_msgs;
 	count->unreadmarked_msgs += item->unreadmarked_msgs;
 	count->marked_msgs += item->marked_msgs;
 	count->total_msgs += item->total_msgs;
 	count->replied_msgs += item->replied_msgs;
 	count->forwarded_msgs += item->forwarded_msgs;
 	count->locked_msgs += item->locked_msgs;
 	count->ignored_msgs += item->ignored_msgs;
 	count->watched_msgs += item->watched_msgs;
 }
 
 struct TotalMsgStatus
 {
         guint new;
         guint unread;
 	guint total;
 	GString *str;
 };
 
 static gboolean folder_get_status_full_all_func(GNode *node, gpointer data)
 {
 	FolderItem *item;
 	struct TotalMsgStatus *status = (struct TotalMsgStatus *)data;
 	gchar *id;
 
  	cm_return_val_if_fail(node->data != NULL, FALSE);
 
  	item = FOLDER_ITEM(node->data);
 
 	if (!item->path) return FALSE;
 
 	status->new += item->new_msgs;
 	status->unread += item->unread_msgs;
 	status->total += item->total_msgs;
 
 	if (status->str) {
 		id = folder_item_get_identifier(item);
 		g_string_append_printf(status->str, "%5d %5d %5d %s\n",
 				  item->new_msgs, item->unread_msgs,
 				  item->total_msgs, id);
 		g_free(id);
 	}
 
  	return FALSE;
  }
 
 static void folder_get_status_full_all(GString *str, guint *new, guint *unread,
 				       guint *total)
 {
  	GList *list;
  	Folder *folder;
 	struct TotalMsgStatus status;
 
 	status.new = status.unread = status.total = 0;
 	status.str = str;
 
 	debug_print("Counting total number of messages...\n");
 
  	for (list = folder_list; list != NULL; list = list->next) {
  		folder = FOLDER(list->data);
  		if (folder->node)
  			g_node_traverse(folder->node, G_PRE_ORDER,
  					G_TRAVERSE_ALL, -1,
 					folder_get_status_full_all_func,
 					&status);
  	}
 
 	*new = status.new;
 	*unread = status.unread;
 	*total = status.total;
 }
 
 gchar *folder_get_status(GPtrArray *folders, gboolean full)
 {
 	guint new, unread, total;
 	GString *str;
 	gint i;
 
 	new = unread = total = 0;
 
 	str = g_string_new(NULL);
 
 	if (folders) {
 		for (i = 0; i < folders->len; i++) {
 			FolderItem *item;
 
 			item = g_ptr_array_index(folders, i);
 			new += item->new_msgs;
 			unread += item->unread_msgs;
 			total += item->total_msgs;
 
 			if (full) {
 				gchar *id;
 
 				id = folder_item_get_identifier(item);
 				g_string_append_printf(str, "%5d %5d %5d %s\n",
 						  item->new_msgs, item->unread_msgs,
 						  item->total_msgs, id);
 				g_free(id);
 			}
 		}
 	} else {
 		folder_get_status_full_all(full ? str : NULL,
 					   &new, &unread, &total);
 	}
 
 	if (full)
 		g_string_append_printf(str, "%5d %5d %5d\n", new, unread, total);
 	else
 		g_string_append_printf(str, "%d %d %d\n", new, unread, total);
 
 	return g_string_free(str, FALSE);
 }
 
 void folder_count_total_msgs(guint *new_msgs, guint *unread_msgs,
 			     guint *unreadmarked_msgs, guint *marked_msgs,
 			     guint *total_msgs, guint *replied_msgs,
 			     guint *forwarded_msgs, guint *locked_msgs,
 			     guint *ignored_msgs, guint *watched_msgs)
 {
 	struct TotalMsgCount count;
 
 	count.new_msgs = count.unread_msgs = count.unreadmarked_msgs = 0;
 	count.total_msgs = count.replied_msgs = count.forwarded_msgs = 0;
 	count.locked_msgs = count.ignored_msgs = count.watched_msgs = 0;
 	count.marked_msgs = 0;
 
 	debug_print("Counting total number of messages...\n");
 
 	folder_func_to_all_folders(folder_count_total_msgs_func, &count);
 
 	*new_msgs = count.new_msgs;
 	*unread_msgs = count.unread_msgs;
 	*unreadmarked_msgs = count.unreadmarked_msgs;
 	*marked_msgs = count.marked_msgs;
 	*total_msgs = count.total_msgs;
 	*replied_msgs = count.replied_msgs;
 	*forwarded_msgs = count.forwarded_msgs;
 	*locked_msgs = count.locked_msgs;
 	*ignored_msgs = count.ignored_msgs;
 	*watched_msgs = count.watched_msgs;
 }
 
 Folder *folder_find_from_path(const gchar *path)
 {
 	GList *list;
 	Folder *folder;
 
 	for (list = folder_list; list != NULL; list = list->next) {
 		folder = list->data;
 		if ((FOLDER_TYPE(folder) == F_MH ||
 		     FOLDER_TYPE(folder) == F_MBOX) &&
 		    !path_cmp(LOCAL_FOLDER(folder)->rootpath, path))
 			return folder;
 	}
 
 	return NULL;
 }
 
 Folder *folder_find_from_name(const gchar *name, FolderClass *klass)
 {
 	GList *list;
 	Folder *folder;
 
 	for (list = folder_list; list != NULL; list = list->next) {
 		folder = list->data;
 		if (folder->klass == klass &&
 		    g_strcmp0(name, folder->name) == 0)
 			return folder;
 	}
 
 	return NULL;
 }
 
 static gboolean folder_item_find_func(GNode *node, gpointer data)
 {
 	FolderItem *item = node->data;
 	gpointer *d = data;
 	const gchar *path = d[0];
 
 	if (path_cmp(path, item->path) != 0)
 		return FALSE;
 
 	d[1] = item;
 
 	return TRUE;
 }
 
 FolderItem *folder_find_item_from_path(const gchar *path)
 {
 	Folder *folder;
 	gpointer d[2];
 	GList *list = folder_get_list();
 
 	folder = list ? list->data:NULL;
 
 	cm_return_val_if_fail(folder != NULL, NULL);
 
 	d[0] = (gpointer)path;
 	d[1] = NULL;
 	while (d[1] == NULL && list) {
 		folder = FOLDER(list->data);
 		g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 			folder_item_find_func, d);
 		list = list->next;
 	}
 	return d[1];
 }
 
 static gboolean folder_item_find_func_real_path(GNode *node, gpointer data)
 {
 	FolderItem *item = node->data;
 	gpointer *d = data;
 	const gchar *path = d[0];
 	gchar *tmp = folder_item_get_path(item);
 	if (path_cmp(path, tmp) != 0) {
 		g_free(tmp);
 		return FALSE;
 	}
 	g_free(tmp);
 	d[1] = item;
 
 	return TRUE;
 }
 
 FolderItem *folder_find_item_from_real_path(const gchar *path)
 {
 	Folder *folder;
 	gpointer d[2];
 	GList *list = folder_get_list();
 
 	folder = list ? list->data:NULL;
 
 	cm_return_val_if_fail(folder != NULL, NULL);
 
 	d[0] = (gpointer)path;
 	d[1] = NULL;
 	while (d[1] == NULL && list) {
 		folder = FOLDER(list->data);
 		g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 			folder_item_find_func_real_path, d);
 		list = list->next;
 	}
 	return d[1];
 }
 
 FolderItem *folder_find_child_item_by_name(FolderItem *item, const gchar *name)
 {
 	GNode *node;
 	FolderItem *child;
 
 	for (node = item->node->children; node != NULL; node = node->next) {
 		child = FOLDER_ITEM(node->data);
 		if (g_strcmp0(child->name, name) == 0) {
 			return child;
 		}
 	}
 
 	return NULL;
 }
 
 FolderClass *folder_get_class_from_string(const gchar *str)
 {
 	GSList *classlist;
 
 	classlist = folder_get_class_list();
 	for (; classlist != NULL; classlist = g_slist_next(classlist)) {
 		FolderClass *class = (FolderClass *) classlist->data;
 		if (g_ascii_strcasecmp(class->idstr, str) == 0)
 			return class;
 	}
 
 	return NULL;
 }
 
 gchar *folder_get_identifier(Folder *folder)
 {
 	gchar *type_str;
 
 	cm_return_val_if_fail(folder != NULL, NULL);
 
 	type_str = folder->klass->idstr;
 	return g_strconcat("#", type_str, "/", folder->name, NULL);
 }
 
 gchar *folder_item_get_identifier(FolderItem *item)
 {
 	gchar *id = NULL;
 	gchar *folder_id = NULL;
 
 	cm_return_val_if_fail(item != NULL, NULL);
 
 	if (item->path == NULL)
 		return NULL;
 
 	folder_id = folder_get_identifier(item->folder);
 	id = g_strconcat(folder_id, "/", item->path, NULL);
 	g_free(folder_id);
 
 	return id;
 }
 
 Folder *folder_find_from_identifier(const gchar *identifier)
 {
 	gchar *p;
 	gchar *name;
 	FolderClass *class;
 
 	cm_return_val_if_fail(identifier != NULL, NULL);
 
 	if (*identifier != '#')
 		return NULL;
 
 	char str[BUFSIZ];
 	strlcpy(str, identifier, sizeof(str));
 
 	p = strchr(str, '/');
 	if (!p)
 		return NULL;
 	*p = '\0';
 	p++;
 	class = folder_get_class_from_string(&str[1]);
 	if (class == NULL)
 		return NULL;
 
 	name = p;
 	p = strchr(p, '/');
 	if (p)
 		return NULL;
 
 	return folder_find_from_name(name, class);
 }
 
 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
 {
 	Folder *folder;
 	gpointer d[2];
 	gchar *str;
 	gchar *p;
 	gchar *name;
 	gchar *path;
 	FolderClass *class;
 
 	cm_return_val_if_fail(identifier != NULL, NULL);
 
 	if (*identifier != '#')
 		return folder_find_item_from_path(identifier);
 
 	Xstrdup_a(str, identifier, return NULL);
 
 	p = strchr(str, '/');
 	if (!p)
 		return folder_find_item_from_path(identifier);
 	*p = '\0';
 	p++;
 	class = folder_get_class_from_string(&str[1]);
 	if (class == NULL)
 		return folder_find_item_from_path(identifier);
 
 	name = p;
 	p = strchr(p, '/');
 	if (!p)
 		return folder_find_item_from_path(identifier);
 	*p = '\0';
 	p++;
 
 	folder = folder_find_from_name(name, class);
 	if (!folder)
 		return folder_find_item_from_path(identifier);
 
 	path = p;
 
 	d[0] = (gpointer)path;
 	d[1] = NULL;
 	g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 			folder_item_find_func, d);
 	return d[1];
 }
 
 /** Returns the FolderItem from a given identifier
  *
  * The FolderItem is created if it doesn't already exist.
  * If creation failed, the function returns NULL.
  *
  * Identifiers are of the form #type/Mailbox/FolderA/FolderB/FolderC
  */
 FolderItem *folder_get_item_from_identifier(const gchar *identifier)
 {
 	FolderItem *item, *last_parent;
 	Folder *folder;
 	gchar *p1, *p2, *str;
 	size_t len;
 	FolderClass *class;
 	gboolean created_something = FALSE;
 
 	item = folder_find_item_from_identifier(identifier);
 	if(item)
 		return item;
 
 	/* trivial sanity check: need at least # and two slashes */
 	len = strlen(identifier);
 	if(len < 3)
 		return NULL;
 
 	/* make sure identifier ends with a slash */
 	if(identifier[len-1] == G_DIR_SEPARATOR) {
 		Xstrdup_a(str, identifier, return NULL);
 	}
 	else {
 		Xstrndup_a(str, identifier, len+1, return NULL);
 		str[len] = G_DIR_SEPARATOR;
 	}
 
 	/* find folder class */
 	p1 = strchr(str, G_DIR_SEPARATOR);
 	if(!p1)
 		return NULL;
 	*p1 = '\0';
 	class = folder_get_class_from_string(&str[1]);
 	if(!class)
 		return NULL;
 	*p1 = G_DIR_SEPARATOR;
 	++p1;
 
 	/* find folder from class and name */
 	p2 = strchr(p1, G_DIR_SEPARATOR);
 	if(!p2)
 		return NULL;
 	*p2 = '\0';
 	folder = folder_find_from_name(p1, class);
 	if(!folder)
 		return NULL;
 	*p2 = G_DIR_SEPARATOR;
 	++p2;
 	p1 = p2;
 
 	/* Now, move forward and make sure all sections in the path exist */
 	last_parent = folder->node->data;
 	while((p1 = strchr(p1, G_DIR_SEPARATOR)) != NULL) {
 		*p1 = '\0';
 		item = folder_find_item_from_identifier(str);
 		if(!item) {
 			item = folder_create_folder(last_parent, p2);
 			if(!item)
 				return NULL;
 			debug_print("Created folder '%s'\n", str);
 			created_something = TRUE;
 			if(prefs_common.inherit_folder_props && (last_parent != item->folder->node->data)) {
 				folder_item_prefs_copy_prefs(last_parent, item);
 			}
 		}
 		last_parent = item;
 		*p1 = G_DIR_SEPARATOR;
 		++p1;
 		p2 = p1;
 	}
 
 	if(created_something)
 		folder_write_list();
 
 	return item;
 }
 
 
 /**
  * Get a displayable name for a FolderItem
  *
  * \param item FolderItem for that a name should be created
  * \return Displayable name for item, returned string has to
  *         be freed
  */
 gchar *folder_item_get_name(FolderItem *item)
 {
 	gchar *name = NULL;
 
 	cm_return_val_if_fail(item != NULL, g_strdup(""));
 
 	switch (item->stype) {
 	case F_INBOX:
 		name = g_strdup(!g_strcmp0(item->name, INBOX_DIR) ? _("Inbox") :
 				item->name);
 		break;
 	case F_OUTBOX:
 		name = g_strdup(!g_strcmp0(item->name, OUTBOX_DIR) ? _("Sent") :
 				item->name);
 		break;
 	case F_QUEUE:
 		name = g_strdup(!g_strcmp0(item->name, QUEUE_DIR) ? _("Queue") :
 				item->name);
 		break;
 	case F_TRASH:
 		name = g_strdup(!g_strcmp0(item->name, TRASH_DIR) ? _("Trash") :
 				item->name);
 		break;
 	case F_DRAFT:
 		name = g_strdup(!g_strcmp0(item->name, DRAFT_DIR) ? _("Drafts") :
 				item->name);
 		break;
 	default:
 		break;
 	}
 
 	if (name == NULL) {
 		/*
 		 * should probably be done by a virtual function,
 		 * the folder knows the ui string and how to abbrev
 		*/
 		if (folder_item_parent(item) == NULL) {
 			name = g_strconcat(item->name, " (", item->folder->klass->uistr, ")", NULL);
 		} else {
 			name = g_strdup(item->name);
 		}
 	}
 
 	if (name == NULL)
 		name = g_strdup("");
 
 	return name;
 }
 
 gboolean folder_have_mailbox (void)
 {
 	GList *cur;
 	for (cur = folder_list; cur != NULL; cur = g_list_next(cur)) {
 		Folder *folder = FOLDER(cur->data);
 		if (folder->inbox && folder->outbox)
 			return TRUE;
 	}
 	return FALSE;
 }
 
 FolderItem *folder_get_default_inbox(void)
 {
 	GList *flist;
 
 	for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
 		Folder * folder = FOLDER(flist->data);
 
 		if (folder == NULL)
 			continue;
 		if (folder->inbox == NULL)
 			continue;
 		if (folder->klass->type == F_UNKNOWN)
 			continue;
 
 		return folder->inbox;
 	}
 
 	return NULL;
 }
 
 FolderItem *folder_get_default_inbox_for_class(FolderType type)
 {
 	GList *flist;
 
 	for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
 		Folder * folder = FOLDER(flist->data);
 
 		if (folder == NULL)
 			continue;
 		if (folder->inbox == NULL)
 			continue;
 		if (folder->klass->type != type)
 			continue;
 
 		return folder->inbox;
 	}
 
 	return NULL;
 }
 
 FolderItem *folder_get_default_outbox(void)
 {
 	GList *flist;
 
 	for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
 		Folder * folder = FOLDER(flist->data);
 
 		if (folder == NULL)
 			continue;
 		if (folder->outbox == NULL)
 			continue;
 		if (folder->klass->type == F_UNKNOWN)
 			continue;
 
 		return folder->outbox;
 	}
 
 	return NULL;
 }
 
 FolderItem *folder_get_default_outbox_for_class(FolderType type)
 {
 	GList *flist;
 
 	for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
 		Folder * folder = FOLDER(flist->data);
 
 		if (folder == NULL)
 			continue;
 		if (folder->outbox == NULL)
 			continue;
 		if (folder->klass->type != type)
 			continue;
 
 		return folder->outbox;
 	}
 
 	return NULL;
 }
 
 FolderItem *folder_get_default_draft(void)
 {
 	GList *flist;
 
 	for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
 		Folder * folder = FOLDER(flist->data);
 
 		if (folder == NULL)
 			continue;
 		if (folder->draft == NULL)
 			continue;
 		if (folder->klass->type == F_UNKNOWN)
 			continue;
 
 		return folder->draft;
 	}
 
 	return NULL;
 }
 
 FolderItem *folder_get_default_draft_for_class(FolderType type)
 {
 	GList *flist;
 
 	for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
 		Folder * folder = FOLDER(flist->data);
 
 		if (folder == NULL)
 			continue;
 		if (folder->draft == NULL)
 			continue;
 		if (folder->klass->type != type)
 			continue;
 
 		return folder->draft;
 	}
 
 	return NULL;
 }
 
 FolderItem *folder_get_default_queue(void)
 {
 	GList *flist;
 
 	for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
 		Folder * folder = FOLDER(flist->data);
 
 		if (folder == NULL)
 			continue;
 		if (folder->queue == NULL)
 			continue;
 		if (folder->klass->type == F_UNKNOWN)
 			continue;
 
 		return folder->queue;
 	}
 
 	return NULL;
 }
 
 FolderItem *folder_get_default_queue_for_class(FolderType type)
 {
 	GList *flist;
 
 	for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
 		Folder * folder = FOLDER(flist->data);
 
 		if (folder == NULL)
 			continue;
 		if (folder->queue == NULL)
 			continue;
 		if (folder->klass->type != type)
 			continue;
 
 		return folder->queue;
 	}
 
 	return NULL;
 }
 
 FolderItem *folder_get_default_trash(void)
 {
 	GList *flist;
 
 	for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
 		Folder * folder = FOLDER(flist->data);
 
 		if (folder == NULL)
 			continue;
 		if (folder->trash == NULL)
 			continue;
 		if (folder->klass->type == F_UNKNOWN)
 			continue;
 
 		return folder->trash;
 	}
 
 	return NULL;
 }
 
 FolderItem *folder_get_default_trash_for_class(FolderType type)
 {
 	GList *flist;
 
 	for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
 		Folder * folder = FOLDER(flist->data);
 
 		if (folder == NULL)
 			continue;
 		if (folder->trash == NULL)
 			continue;
 		if (folder->klass->type != type)
 			continue;
 
 		return folder->trash;
 	}
 
 	return NULL;
 }
 
 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)		\
 {								\
 	if (!folder->member) {					\
 		item = folder_item_new(folder, dir, dir);	\
 		item->stype = type;				\
 		folder_item_append(rootitem, item);		\
 		folder->member = item;				\
 	}							\
 }
 
 void folder_set_missing_folders(void)
 {
 	Folder *folder;
 	FolderItem *rootitem;
 	FolderItem *item;
 	GList *list;
 
 	for (list = folder_list; list != NULL; list = list->next) {
 		folder = list->data;
 		if (FOLDER_TYPE(folder) != F_MH) continue;
 		rootitem = FOLDER_ITEM(folder->node->data);
 		cm_return_if_fail(rootitem != NULL);
 
 		if (folder->inbox && folder->outbox && folder->draft &&
 		    folder->queue && folder->trash)
 			continue;
 
 		if (folder->klass->create_tree(folder) < 0) {
 			g_warning("%s: can't create the folder tree",
 				  LOCAL_FOLDER(folder)->rootpath);
 			continue;
 		}
 
 		CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
 		CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
 		CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
 		CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
 		CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
 	}
 }
 
 static gboolean folder_unref_account_func(GNode *node, gpointer data)
 {
 	FolderItem *item = node->data;
 	PrefsAccount *account = data;
 
 	if (item->account == account)
 		item->account = NULL;
 
 	return FALSE;
 }
 
 void folder_unref_account_all(PrefsAccount *account)
 {
 	Folder *folder;
 	GList *list;
 
 	if (!account) return;
 
 	for (list = folder_list; list != NULL; list = list->next) {
 		folder = list->data;
 		if (folder->account == account)
 			folder->account = NULL;
 		g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 				folder_unref_account_func, account);
 	}
 }
 
 #undef CREATE_FOLDER_IF_NOT_EXIST
 
 gchar *folder_item_get_path(FolderItem *item)
 {
 	Folder *folder;
 
 	cm_return_val_if_fail(item != NULL, NULL);
 	folder = item->folder;
 	cm_return_val_if_fail(folder != NULL, NULL);
 
 	return folder->klass->item_get_path(folder, item);
 }
 
 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
 {
 	MsgInfo *msginfo_a = (MsgInfo *) a;
 	MsgInfo *msginfo_b = (MsgInfo *) b;
 
 	return (msginfo_a->msgnum - msginfo_b->msgnum);
 }
 
 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
 {
 	guint gint_a = GPOINTER_TO_INT(a);
 	guint gint_b = GPOINTER_TO_INT(b);
 
 	return (gint_a - gint_b);
 }
 
 static gint syncronize_flags(FolderItem *item, MsgInfoList *msglist)
 {
 	GHashTable *relation;
 	gint ret = 0;
 	GSList *cur;
 
 	if(msglist == NULL)
 		return 0;
 	if(item->folder->klass->get_flags == NULL)
 		return 0;
 	if (item->no_select)
 		return 0;
 
 	relation = g_hash_table_new(g_direct_hash, g_direct_equal);
 	if ((ret = item->folder->klass->get_flags(
 	    item->folder, item, msglist, relation)) == 0) {
 		gpointer data, old_key;
 		MsgInfo *msginfo;
 		MsgPermFlags permflags = 0;
 
 		folder_item_update_freeze();
 		folder_item_set_batch(item, TRUE);
 		for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
 			msginfo = (MsgInfo *) cur->data;
 
 			if (g_hash_table_lookup_extended(relation, msginfo, &old_key, &data)) {
 				permflags = GPOINTER_TO_INT(data);
 
 				if (msginfo->flags.perm_flags != permflags) {
 					procmsg_msginfo_change_flags(msginfo,
 						permflags & ~msginfo->flags.perm_flags, 0,
 						~permflags & msginfo->flags.perm_flags, 0);
 				}
 			}
 		}
 		folder_item_set_batch(item, FALSE);
 		folder_item_update_thaw();
 	}
 	g_hash_table_destroy(relation);
 
 	return ret;
 }
 
 gint folder_item_open(FolderItem *item)
 {
 	if (item->no_select)
 		return -1;
 
 	if (item->scanning != ITEM_NOT_SCANNING) {
 		debug_print("%s is scanning... \n", item->path ? item->path : item->name);
 		return -2;
 	}
 
 	item->processing_pending = FALSE;
 	item->opened = TRUE;
 	return 0;
 }
 
 gint folder_item_close(FolderItem *item)
 {
 	GSList *mlist, *cur;
 	Folder *folder;
 
 	cm_return_val_if_fail(item != NULL, -1);
 
 	if (item->no_select)
 		return -1;
 
 	if (item->new_msgs) {
 		folder_item_update_freeze();
 		mlist = folder_item_get_msg_list(item);
 		for (cur = mlist ; cur != NULL ; cur = cur->next) {
 			MsgInfo * msginfo;
 
 			msginfo = (MsgInfo *) cur->data;
 			if (MSG_IS_NEW(msginfo->flags))
 				procmsg_msginfo_unset_flags(msginfo, MSG_NEW, 0);
 			procmsg_msginfo_free(&msginfo);
 		}
 		g_slist_free(mlist);
 		folder_item_update_thaw();
 	}
 
 	folder_item_write_cache(item);
 
 	folder_item_update(item, F_ITEM_UPDATE_MSGCNT);
 
 	item->opened = FALSE;
 	folder = item->folder;
 
 	if (folder->klass->close == NULL)
 		return 0;
 
 	return folder->klass->close(folder, item);
 }
 
 static MsgInfoList *get_msginfos(FolderItem *item, MsgNumberList *numlist)
 {
 	MsgInfoList *msglist = NULL;
 	Folder *folder = item->folder;
 	if (item->no_select)
 		return NULL;
 
 	if (folder->klass->get_msginfos != NULL)
 		msglist = folder->klass->get_msginfos(folder, item, numlist);
 	else {
 		MsgNumberList *elem;
 
 		for (elem = numlist; elem != NULL; elem = g_slist_next(elem)) {
 			MsgInfo *msginfo;
 			guint num;
 
 			num = GPOINTER_TO_INT(elem->data);
 			msginfo = folder->klass->get_msginfo(folder, item, num);
 			if (msginfo != NULL)
 				msglist = g_slist_prepend(msglist, msginfo);
 		}
 	}
 
 	return msglist;
 }
 
 static MsgInfo *get_msginfo(FolderItem *item, guint num)
 {
 	MsgNumberList numlist;
 	MsgInfoList *msglist;
 	MsgInfo *msginfo = NULL;
 
 	numlist.data = GINT_TO_POINTER(num);
 	numlist.next = NULL;
 	msglist = get_msginfos(item, &numlist);
 	if (msglist != NULL)
 		msginfo = procmsg_msginfo_new_ref(msglist->data);
 	procmsg_msg_list_free(msglist);
 
 	return msginfo;
 }
 
 gint folder_item_scan_full(FolderItem *item, gboolean filtering)
 {
 	Folder *folder;
 	GSList *folder_list = NULL, *cache_list = NULL;
 	GSList *folder_list_cur, *cache_list_cur, *new_list = NULL;
 	GSList *exists_list = NULL, *elem;
 	GSList *newmsg_list = NULL;
 	guint newcnt = 0, unreadcnt = 0, totalcnt = 0;
 	guint markedcnt = 0, unreadmarkedcnt = 0;
 	guint repliedcnt = 0, forwardedcnt = 0;
 	guint lockedcnt = 0, ignoredcnt = 0, watchedcnt = 0;
 
 	guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
 	gboolean update_flags = 0, old_uids_valid = FALSE;
 	GHashTable *subject_table = NULL;
 
 	cm_return_val_if_fail(item != NULL, -1);
 	if (item->path == NULL) return -1;
 
 	folder = item->folder;
 
 	cm_return_val_if_fail(folder != NULL, -1);
 	cm_return_val_if_fail(folder->klass->get_num_list != NULL, -1);
 
 	item->scanning = ITEM_SCANNING_WITH_FLAGS;
 
 	debug_print("Scanning folder %s for cache changes.\n", item->path ? item->path : "(null)");
 
 	/* Get list of messages for folder and cache */
 	if (folder->klass->get_num_list(item->folder, item, &folder_list, &old_uids_valid) < 0) {
 		debug_print("Error fetching list of message numbers\n");
 		item->scanning = ITEM_NOT_SCANNING;
 		return(-1);
 	}
 
 	if(prefs_common.thread_by_subject) {
 		subject_table = g_hash_table_new(g_str_hash, g_str_equal);
 	}
 
 	if (old_uids_valid) {
 		if (!item->cache)
 			folder_item_read_cache(item);
 		cache_list = msgcache_get_msg_list(item->cache);
 	} else {
 		if (item->cache)
 			msgcache_destroy(item->cache);
 		item->cache = msgcache_new();
 		item->cache_dirty = TRUE;
 		item->mark_dirty = TRUE;
 		item->tags_dirty = TRUE;
 		cache_list = NULL;
 	}
 
 	/* Sort both lists */
     	cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
 	folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
 
 	cache_list_cur = cache_list;
 	folder_list_cur = folder_list;
 
 	if (cache_list_cur != NULL) {
 		GSList *cache_list_last;
 
 		cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
 		cache_list_last = g_slist_last(cache_list);
 		cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
 	} else {
 		cache_cur_num = G_MAXUINT;
 		cache_max_num = 0;
 	}
 
 	if (folder_list_cur != NULL) {
 		GSList *folder_list_last;
 
 		folder_cur_num = GPOINTER_TO_UINT(folder_list_cur->data);
 		folder_list_last = g_slist_last(folder_list);
 		folder_max_num = GPOINTER_TO_UINT(folder_list_last->data);
 	} else {
 		folder_cur_num = G_MAXUINT;
 		folder_max_num = 0;
 	}
 
 	while ((cache_cur_num != G_MAXUINT) || (folder_cur_num != G_MAXUINT)) {
 		/*
 		 *  Message only exists in the folder
 		 *  Remember message for fetching
 		 */
 		if (folder_cur_num < cache_cur_num) {
 			gboolean add = FALSE;
 
 			switch(FOLDER_TYPE(folder)) {
 				case F_NEWS:
 					if (folder_cur_num < cache_max_num)
 						break;
 
 					if (folder->account->max_articles == 0) {
 						add = TRUE;
 					}
 
 					if (folder_max_num <= folder->account->max_articles) {
 						add = TRUE;
 					} else if (folder_cur_num > (folder_max_num - folder->account->max_articles)) {
 						add = TRUE;
 					}
 					break;
 				default:
 					add = TRUE;
 					break;
 			}
 
 			if (add) {
 				new_list = g_slist_prepend(new_list, GUINT_TO_POINTER(folder_cur_num));
 				debug_print("Remembered message %u for fetching\n", folder_cur_num);
 			}
 
 			/* Move to next folder number */
 			if (folder_list_cur)
 				folder_list_cur = folder_list_cur->next;
 
 			if (folder_list_cur != NULL)
 				folder_cur_num = GPOINTER_TO_UINT(folder_list_cur->data);
 			else
 				folder_cur_num = G_MAXUINT;
 
 			continue;
 		}
 
 		/*
 		 *  Message only exists in the cache
 		 *  Remove the message from the cache
 		 */
 		if (cache_cur_num < folder_cur_num) {
 			msgcache_remove_msg(item->cache, cache_cur_num);
 			debug_print("Removed message %u from cache.\n", cache_cur_num);
 
 			/* Move to next cache number */
 			if (cache_list_cur)
 				cache_list_cur = cache_list_cur->next;
 
 			if (cache_list_cur != NULL)
 				cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
 			else
 				cache_cur_num = G_MAXUINT;
 
 			update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
 
 			continue;
 		}
 
 		/*
 		 *  Message number exists in folder and cache!
 		 *  Check if the message has been modified
 		 */
 		if (cache_cur_num == folder_cur_num) {
 			MsgInfo *msginfo;
 
 			msginfo = msgcache_get_msg(item->cache, folder_cur_num);
 			if (msginfo && folder->klass->is_msg_changed && folder->klass->is_msg_changed(folder, item, msginfo)) {
 				msgcache_remove_msg(item->cache, msginfo->msgnum);
 				new_list = g_slist_prepend(new_list, GINT_TO_POINTER(msginfo->msgnum));
 				procmsg_msginfo_free(&msginfo);
 
 				debug_print("Remembering message %u to update...\n", folder_cur_num);
 			} else if (msginfo) {
 				exists_list = g_slist_prepend(exists_list, msginfo);
 
 				if(prefs_common.thread_by_subject &&
 					MSG_IS_IGNORE_THREAD(msginfo->flags) &&
 					!subject_table_lookup(subject_table, msginfo->subject)) {
 					subject_table_insert(subject_table, msginfo->subject, msginfo);
 				}
 			}
 
 			/* Move to next folder and cache number */
 			if (cache_list_cur)
 				cache_list_cur = cache_list_cur->next;
 
 			if (folder_list_cur)
 				folder_list_cur = folder_list_cur->next;
 
 			if (cache_list_cur != NULL)
 				cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
 			else
 				cache_cur_num = G_MAXUINT;
 
 			if (folder_list_cur != NULL)
 				folder_cur_num = GPOINTER_TO_UINT(folder_list_cur->data);
 			else
 				folder_cur_num = G_MAXUINT;
 
 			continue;
 		}
 	}
 
 	for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur))
 		procmsg_msginfo_free((MsgInfo **)&(cache_list_cur->data));
 
 	g_slist_free(cache_list);
 	g_slist_free(folder_list);
 
 	if (new_list != NULL) {
 		GSList *tmp_list = NULL;
 		newmsg_list = get_msginfos(item, new_list);
 		g_slist_free(new_list);
 		tmp_list = g_slist_concat(g_slist_copy(exists_list), g_slist_copy(newmsg_list));
 		syncronize_flags(item, tmp_list);
 		g_slist_free(tmp_list);
 	} else {
 		syncronize_flags(item, exists_list);
 	}
 
 	folder_item_update_freeze();
 
 	item->scanning = ITEM_SCANNING;
 
 	if (newmsg_list != NULL) {
 		GSList *elem = NULL;
 		for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
 			MsgInfo *msginfo = (MsgInfo *) elem->data;
 
 			msgcache_add_msg(item->cache, msginfo);
 			exists_list = g_slist_prepend(exists_list, msginfo);
 
 			if(prefs_common.thread_by_subject &&
 				MSG_IS_IGNORE_THREAD(msginfo->flags) &&
 				!subject_table_lookup(subject_table, msginfo->subject)) {
 				subject_table_insert(subject_table, msginfo->subject, msginfo);
 			}
 		}
 
 		if (prefs_common.real_time_sync)
 				folder_item_synchronise(item);
 
 		g_slist_free(newmsg_list);
 
 		update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
 	}
 
 	folder_item_set_batch(item, TRUE);
 	for (elem = exists_list; elem != NULL; elem = g_slist_next(elem)) {
 		MsgInfo *msginfo, *parent_msginfo;
 
 		msginfo = elem->data;
 		if (MSG_IS_IGNORE_THREAD(msginfo->flags) && (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
 			procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
 		if (!MSG_IS_IGNORE_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_IGNORE_THREAD)) {
 			procmsg_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0, MSG_NEW | MSG_UNREAD, 0);
 		}
 		if (!MSG_IS_WATCH_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_WATCH_THREAD)) {
 			procmsg_msginfo_set_flags(msginfo, MSG_WATCH_THREAD, 0);
 		}
 		if(prefs_common.thread_by_subject && !msginfo->inreplyto &&
 			!msginfo->references && !MSG_IS_IGNORE_THREAD(msginfo->flags) &&
 			(parent_msginfo = subject_table_lookup(subject_table, msginfo->subject)))
 		{
 			if(MSG_IS_IGNORE_THREAD(parent_msginfo->flags)) {
 				procmsg_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0,
 						MSG_NEW | MSG_UNREAD, 0);
 			}
 		}
 		if ((folder_has_parent_of_type(item, F_OUTBOX) ||
 		     folder_has_parent_of_type(item, F_QUEUE)  ||
 		     folder_has_parent_of_type(item, F_TRASH)) &&
 		    (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
 			procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
 		if (MSG_IS_NEW(msginfo->flags))
 			newcnt++;
 		if (MSG_IS_UNREAD(msginfo->flags))
 			unreadcnt++;
 		if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
 			unreadmarkedcnt++;
 		if (MSG_IS_MARKED(msginfo->flags))
 			markedcnt++;
 		if (MSG_IS_REPLIED(msginfo->flags))
 			repliedcnt++;
 		if (MSG_IS_FORWARDED(msginfo->flags))
 			forwardedcnt++;
 		if (MSG_IS_LOCKED(msginfo->flags))
 			lockedcnt++;
 		if (MSG_IS_IGNORE_THREAD(msginfo->flags))
 			ignoredcnt++;
 		if (MSG_IS_WATCH_THREAD(msginfo->flags))
 			watchedcnt++;
 
 		totalcnt++;
 
 		procmsg_msginfo_free(&msginfo);
 	}
 	folder_item_set_batch(item, FALSE);
 	g_slist_free(exists_list);
 
 	if(prefs_common.thread_by_subject) {
 		g_hash_table_destroy(subject_table);
 	}
 
 	if (item->new_msgs != newcnt || item->unread_msgs != unreadcnt
 	||  item->total_msgs != totalcnt || item->marked_msgs != markedcnt
 	||  item->unreadmarked_msgs != unreadmarkedcnt
 	||  item->replied_msgs != repliedcnt || item->forwarded_msgs != forwardedcnt
 	||  item->locked_msgs != lockedcnt || item->ignored_msgs != ignoredcnt
 	||  item->watched_msgs != watchedcnt) {
 		update_flags |= F_ITEM_UPDATE_CONTENT;
 	}
 
 	item->new_msgs = newcnt;
 	item->unread_msgs = unreadcnt;
 	item->total_msgs = totalcnt;
 	item->unreadmarked_msgs = unreadmarkedcnt;
 	item->marked_msgs = markedcnt;
 	item->replied_msgs = repliedcnt;
 	item->forwarded_msgs = forwardedcnt;
 	item->locked_msgs = lockedcnt;
 	item->ignored_msgs = ignoredcnt;
 	item->watched_msgs = watchedcnt;
 
 	update_flags |= F_ITEM_UPDATE_MSGCNT;
 
 	folder_item_update(item, update_flags);
 	folder_item_update_thaw();
 
 	item->scanning = ITEM_NOT_SCANNING;
 
 	return 0;
 }
 
 gint folder_item_scan(FolderItem *item)
 {
 	return folder_item_scan_full(item, TRUE);
 }
 
 static void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
 {
 	gint *memusage = (gint *)data;
 
 	if (item->cache == NULL)
 		return;
 
 	*memusage += msgcache_get_memory_usage(item->cache);
 }
 
 static gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
 {
 	FolderItem *fa = (FolderItem *)a;
 	FolderItem *fb = (FolderItem *)b;
 
 	return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
 }
 
 static void folder_find_expired_caches(FolderItem *item, gpointer data)
 {
 	GSList **folder_item_list = (GSList **)data;
 	gint difftime, expiretime;
 
 	if (item->cache == NULL)
 		return;
 
 	if (item->opened > 0)
 		return;
 
 	difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
 	expiretime = prefs_common.cache_min_keep_time * 60;
 	// debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
 
 	if (difftime > expiretime && !item->opened && !item->processing_pending) {
 		*folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
 	}
 }
 
 gboolean folder_item_free_cache(FolderItem *item, gboolean force)
 {
 	cm_return_val_if_fail(item != NULL, TRUE);
 
 	if (item->cache == NULL)
 		return TRUE;
 
 	if (item->opened > 0 && !force)
 		return FALSE;
 
 	folder_item_write_cache(item);
 	msgcache_destroy(item->cache);
 	item->cache = NULL;
 	return TRUE;
 }
 
 void folder_clean_cache_memory_force(void)
 {
 	int old_cache_max_mem_usage = prefs_common.cache_max_mem_usage;
 	int old_cache_min_keep_time = prefs_common.cache_min_keep_time;
 
 	prefs_common.cache_max_mem_usage = 0;
 	prefs_common.cache_min_keep_time = 0;
 
 	folder_clean_cache_memory(NULL);
 
 	prefs_common.cache_max_mem_usage = old_cache_max_mem_usage;
 	prefs_common.cache_min_keep_time = old_cache_min_keep_time;
 }
 
 void folder_clean_cache_memory(FolderItem *protected_item)
 {
 	gint memusage = 0;
 
 	folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
 	debug_print("Total cache memory usage: %d\n", memusage);
 
 	if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
 		GSList *folder_item_list = NULL, *listitem;
 
 		debug_print("Trying to free cache memory\n");
 
 		folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
 		listitem = folder_item_list;
 		while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
 			FolderItem *item = (FolderItem *)(listitem->data);
 			gint cache_size = 0;
 			if (item == protected_item) {
 				listitem = listitem->next;
 				continue;
 			}
 			debug_print("Freeing cache memory for %s\n", item->path ? item->path : item->name);
 			cache_size = msgcache_get_memory_usage(item->cache);
 		        if (folder_item_free_cache(item, FALSE))
 				memusage -= cache_size;
 
 			listitem = listitem->next;
 		}
 		g_slist_free(folder_item_list);
 	}
 }
 
 static void folder_item_remove_cached_msg(FolderItem *item, MsgInfo *msginfo)
 {
 	Folder *folder = item->folder;
 
 	cm_return_if_fail(folder != NULL);
 
 	if (folder->klass->remove_cached_msg == NULL)
 		return;
 
 	folder->klass->remove_cached_msg(folder, item, msginfo);
 }
 
 static void folder_item_clean_local_files(FolderItem *item, gint days)
 {
 	cm_return_if_fail(item != NULL);
 	cm_return_if_fail(item->folder != NULL);
 
 	if (FOLDER_TYPE(item->folder) == F_IMAP ||
 	    FOLDER_TYPE(item->folder) == F_NEWS) {
 		GSList *msglist = folder_item_get_msg_list(item);
 		GSList *cur;
 		time_t t = time(NULL);
 		for (cur = msglist; cur; cur = cur->next) {
 			MsgInfo *msginfo = (MsgInfo *)cur->data;
 			gint age = (t - msginfo->date_t) / (60*60*24);
 			if (age > days)
 				folder_item_remove_cached_msg(item, msginfo);
 		}
 		procmsg_msg_list_free(msglist);
 	}
 }
 
 static void folder_item_read_cache(FolderItem *item)
 {
 	gchar *cache_file, *mark_file, *tags_file;
 	cm_return_if_fail(item != NULL);
 
 	if (item->path != NULL) {
 	        cache_file = folder_item_get_cache_file(item);
 		mark_file = folder_item_get_mark_file(item);
 		tags_file = folder_item_get_tags_file(item);
 		item->cache = msgcache_read_cache(item, cache_file);
 		item->cache_dirty = FALSE;
 		item->mark_dirty = FALSE;
 		item->tags_dirty = FALSE;
 		if (!item->cache) {
 			MsgInfoList *list, *cur;
 			guint newcnt = 0, unreadcnt = 0;
 			guint markedcnt = 0, unreadmarkedcnt = 0;
 			guint repliedcnt = 0, forwardedcnt = 0;
 			guint lockedcnt = 0, ignoredcnt = 0;
 			guint watchedcnt = 0;
 			MsgInfo *msginfo;
 
 			item->cache = msgcache_new();
 			item->cache_dirty = TRUE;
 			item->mark_dirty = TRUE;
 			item->tags_dirty = TRUE;
 			folder_item_scan_full(item, TRUE);
 
 			msgcache_read_mark(item->cache, mark_file);
 
 			list = msgcache_get_msg_list(item->cache);
 			for (cur = list; cur != NULL; cur = g_slist_next(cur)) {
 				msginfo = cur->data;
 
 				if (MSG_IS_NEW(msginfo->flags))
 					newcnt++;
 				if (MSG_IS_UNREAD(msginfo->flags))
 					unreadcnt++;
 				if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
 					unreadmarkedcnt++;
 				if (MSG_IS_MARKED(msginfo->flags))
 					markedcnt++;
 				if (MSG_IS_REPLIED(msginfo->flags))
 					repliedcnt++;
 				if (MSG_IS_FORWARDED(msginfo->flags))
 					forwardedcnt++;
 				if (MSG_IS_LOCKED(msginfo->flags))
 					lockedcnt++;
 				if (MSG_IS_IGNORE_THREAD(msginfo->flags))
 					ignoredcnt++;
 				if (MSG_IS_WATCH_THREAD(msginfo->flags))
 					watchedcnt++;
 				procmsg_msginfo_unset_flags(msginfo, MSG_FULLY_CACHED, 0);
 			}
 			item->new_msgs = newcnt;
 		        item->unread_msgs = unreadcnt;
 			item->unreadmarked_msgs = unreadmarkedcnt;
 			item->marked_msgs = markedcnt;
 			item->replied_msgs = repliedcnt;
 			item->forwarded_msgs = forwardedcnt;
 			item->locked_msgs = lockedcnt;
 			item->ignored_msgs = ignoredcnt;
 			item->watched_msgs = watchedcnt;
 			procmsg_msg_list_free(list);
 		} else
 			msgcache_read_mark(item->cache, mark_file);
 
 		g_free(cache_file);
 		g_free(mark_file);
 		g_free(tags_file);
 	} else {
 		item->cache = msgcache_new();
 		item->cache_dirty = TRUE;
 		item->mark_dirty = TRUE;
 		item->tags_dirty = TRUE;
 	}
 
 	folder_clean_cache_memory(item);
 }
 
 void folder_item_write_cache(FolderItem *item)
 {
 	gchar *cache_file = NULL, *mark_file = NULL, *tags_file = NULL;
 	FolderItemPrefs *prefs;
 	gint filemode = 0;
 	gchar *id;
 	time_t last_mtime = (time_t)0;
 	gboolean need_scan = FALSE;
 
 	if (!item || !item->path || !item->cache)
 		return;
 
 	last_mtime = item->mtime;
 	if (item->folder->klass->set_mtime) {
 		if (item->folder->klass->scan_required)
 			need_scan = item->folder->klass->scan_required(item->folder, item);
 		else
 			need_scan = TRUE;
 	}
 
 	id = folder_item_get_identifier(item);
 	debug_print("Save cache for folder %s\n", id);
 	g_free(id);
 
 	if (item->cache_dirty)
 		cache_file = folder_item_get_cache_file(item);
 	if (item->cache_dirty || item->mark_dirty)
 		mark_file = folder_item_get_mark_file(item);
 	if (item->cache_dirty || item->tags_dirty)
 		tags_file = folder_item_get_tags_file(item);
 	if (msgcache_write(cache_file, mark_file, tags_file, item->cache) == 0) {
 		prefs = item->prefs;
 		if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
 			filemode = prefs->folder_chmod;
 			if (filemode & S_IRGRP) filemode |= S_IWGRP;
 			if (filemode & S_IROTH) filemode |= S_IWOTH;
 			if (cache_file) {
 				if (chmod(cache_file, filemode) < 0)
 					FILE_OP_ERROR(cache_file, "chmod");
 			}
 			if (mark_file) {
 				if (chmod(mark_file, filemode) < 0)
 					FILE_OP_ERROR(mark_file, "chmod");
 			}
 		}
         } else {
 		item->cache_dirty = TRUE;
 		item->mark_dirty = TRUE;
 		item->tags_dirty = TRUE;
 	}
 
 	if (!need_scan && item->folder->klass->set_mtime) {
 		if (item->mtime == last_mtime) {
 			item->folder->klass->set_mtime(item->folder, item);
 		}
 	}
 
 	g_free(cache_file);
 	g_free(mark_file);
 	g_free(tags_file);
 }
 
 MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
 {
 	MsgInfo *msginfo = NULL;
 
 	cm_return_val_if_fail(item != NULL, NULL);
 	if (item->no_select)
 		return NULL;
 	if (!item->cache)
 		folder_item_read_cache(item);
 
 	if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
 		return msginfo;
 
 	msginfo = get_msginfo(item, num);
 	if (msginfo != NULL) {
 		msgcache_add_msg(item->cache, msginfo);
 		return msginfo;
 	}
 
 	return NULL;
 }
 
 MsgInfo *folder_item_get_msginfo_by_msgid(FolderItem *item, const gchar *msgid)
 {
 	MsgInfo *msginfo;
 
 	cm_return_val_if_fail(item != NULL, NULL);
 	cm_return_val_if_fail(msgid != NULL, NULL);
 	if (item->no_select)
 		return NULL;
 
 	if (!item->cache)
 		folder_item_read_cache(item);
 
 	if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
 		return msginfo;
 
 	return NULL;
 }
 
 GSList *folder_item_get_msg_list(FolderItem *item)
 {
 	cm_return_val_if_fail(item != NULL, NULL);
 	if (item->no_select)
 		return NULL;
 
 	if (item->cache == 0)
 		folder_item_read_cache(item);
 
 	cm_return_val_if_fail(item->cache != NULL, NULL);
 
 	return msgcache_get_msg_list(item->cache);
 }
 
 static void msginfo_set_mime_flags(GNode *node, gpointer data)
 {
 	MsgInfo *msginfo = data;
 	MimeInfo *mimeinfo = node->data;
 
 	if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT &&
 	    (!mimeinfo->subtype || (strcmp(mimeinfo->subtype, "pgp-signature") &&
 	     strcmp(mimeinfo->subtype, "x-pkcs7-signature") &&
 	     strcmp(mimeinfo->subtype, "pkcs7-signature")))) {
 		procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
 	} else if (mimeinfo->disposition == DISPOSITIONTYPE_UNKNOWN &&
 		 mimeinfo->id == NULL &&
 		 mimeinfo->type != MIMETYPE_TEXT &&
 		 mimeinfo->type != MIMETYPE_MULTIPART) {
 		if (!mimeinfo->subtype
 		|| (strcmp(mimeinfo->subtype, "pgp-signature") &&
 		    strcmp(mimeinfo->subtype, "x-pkcs7-signature") &&
 		    strcmp(mimeinfo->subtype, "pkcs7-signature")))
 			procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
 	} else if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
 		 mimeinfo->id == NULL &&
 		(strcmp(mimeinfo->subtype, "pgp-signature") &&
 		 strcmp(mimeinfo->subtype, "x-pkcs7-signature") &&
 		 strcmp(mimeinfo->subtype, "pkcs7-signature")) &&
 		(procmime_mimeinfo_get_parameter(mimeinfo, "name") != NULL ||
 		 procmime_mimeinfo_get_parameter(mimeinfo, "filename") != NULL)) {
 		procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
 	}
 
 	/* don't descend below top level message for signed and encrypted info */
 	if (mimeinfo->type == MIMETYPE_MESSAGE)
 		return;
 
 	g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
 }
 
 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
 {
 	Folder *folder;
 	gchar *msgfile;
 	MsgInfo *msginfo;
 
 	cm_return_val_if_fail(item != NULL, NULL);
 
 	folder = item->folder;
 
 	cm_return_val_if_fail(folder->klass->fetch_msg != NULL, NULL);
 	if (item->no_select)
 		return NULL;
 
 	msgfile = folder->klass->fetch_msg(folder, item, num);
 
 	if (msgfile != NULL) {
 		msginfo = folder_item_get_msginfo(item, num);
 		if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
 			MimeInfo *mimeinfo;
 
 			item->cache_dirty = TRUE;
 			item->mark_dirty = TRUE;
 			item->tags_dirty = TRUE;
 			if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
 			    !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
 				mimeinfo = procmime_scan_file(msgfile);
 			else
 				mimeinfo = procmime_scan_queue_file(msgfile);
 			/* check for attachments */
 			if (mimeinfo != NULL) {
 				g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
 				procmime_mimeinfo_free_all(&mimeinfo);
 
 				procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
 			}
 		}
 		procmsg_msginfo_free(&msginfo);
 	}
 
 	return msgfile;
 }
 
 gchar *folder_item_fetch_msg_full(FolderItem *item, gint num, gboolean headers,
 				  gboolean body)
 {
 	Folder *folder;
 	gchar *msgfile;
 	MsgInfo *msginfo;
 
 	cm_return_val_if_fail(item != NULL, NULL);
 	if (item->no_select)
 		return NULL;
 
 	folder = item->folder;
 
 	if (folder->klass->fetch_msg_full == NULL)
 		return folder_item_fetch_msg(item, num);
 
 	if (item->prefs->offlinesync)
 		msgfile = folder->klass->fetch_msg_full(folder, item, num,
 						TRUE, TRUE);
 	else
 		msgfile = folder->klass->fetch_msg_full(folder, item, num,
 						headers, body);
 
 	if (msgfile != NULL) {
 		msginfo = folder_item_get_msginfo(item, num);
 		if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
 			MimeInfo *mimeinfo;
 
 			item->cache_dirty = TRUE;
 			item->mark_dirty = TRUE;
 			item->tags_dirty = TRUE;
 			if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
 			    !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
 				mimeinfo = procmime_scan_file(msgfile);
 			else
 				mimeinfo = procmime_scan_queue_file(msgfile);
 			/* check for attachments */
 			if (mimeinfo != NULL) {
 				g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
 				procmime_mimeinfo_free_all(&mimeinfo);
 
 				procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
 			}
 		}
 		procmsg_msginfo_free(&msginfo);
 	}
 
 	return msgfile;
 }
 
 
 static gint folder_item_get_msg_num_by_file(FolderItem *dest, const gchar *file)
 {
 	static HeaderEntry hentry[] = {{"Message-ID:",  NULL, TRUE},
 				       {NULL,		NULL, FALSE}};
 	FILE *fp;
 	MsgInfo *msginfo;
 	gint msgnum = 0;
 	gchar buf[BUFFSIZE];
 
 	if ((fp = g_fopen(file, "rb")) == NULL)
 		return 0;
 
 	if ((folder_has_parent_of_type(dest, F_QUEUE)) ||
 	    (folder_has_parent_of_type(dest, F_DRAFT)))
 		while (fgets(buf, sizeof(buf), fp) != NULL) {
 			/* new way */
 			if ((!strncmp(buf, "X-Claws-End-Special-Headers: 1",
 				strlen("X-Claws-End-Special-Headers:"))) ||
 			    (!strncmp(buf, "X-Sylpheed-End-Special-Headers: 1",
 				strlen("X-Sylpheed-End-Special-Headers:"))))
 				break;
 			/* old way */
 			if (buf[0] == '\r' || buf[0] == '\n') break;
 			/* from other mailers */
 			if (!strncmp(buf, "Date: ", 6)
 			||  !strncmp(buf, "To: ", 4)
 			||  !strncmp(buf, "From: ", 6)
 			||  !strncmp(buf, "Subject: ", 9)) {
 				rewind(fp);
 				break;
 			}
 		}
 
 	procheader_get_header_fields(fp, hentry);
 	debug_print("looking for %s\n", hentry[0].body);
 	if (hentry[0].body) {
     		extract_parenthesis(hentry[0].body, '<', '>');
 		remove_space(hentry[0].body);
 		if ((msginfo = msgcache_get_msg_by_id(dest->cache, hentry[0].body)) != NULL) {
 			msgnum = msginfo->msgnum;
 			procmsg_msginfo_free(&msginfo);
 
 			debug_print("found message as uid %d\n", msgnum);
 		}
 	}
 
 	g_free(hentry[0].body);
 	hentry[0].body = NULL;
 	fclose(fp);
 
 	return msgnum;
 }
 
 static void copy_msginfo_flags(MsgInfo *source, MsgInfo *dest)
 {
 	MsgPermFlags perm_flags = 0;
 	MsgTmpFlags tmp_flags = 0;
 
 	/* create new flags */
 	if (source != NULL) {
 		/* copy original flags */
 		perm_flags = source->flags.perm_flags;
 		tmp_flags = source->flags.tmp_flags;
 	} else {
 		perm_flags = dest->flags.perm_flags;
 		tmp_flags = dest->flags.tmp_flags;
 	}
 
 	/* remove new, unread and deleted in special folders */
 	if (folder_has_parent_of_type(dest->folder, F_OUTBOX) ||
 	    folder_has_parent_of_type(dest->folder, F_QUEUE) ||
 	    folder_has_parent_of_type(dest->folder, F_DRAFT) ||
 	    folder_has_parent_of_type(dest->folder, F_TRASH))
 		perm_flags &= ~(MSG_NEW | MSG_UNREAD | MSG_DELETED);
 
 	/* set ignore flag of ignored parent exists */
 	if (procmsg_msg_has_flagged_parent(dest, MSG_IGNORE_THREAD))
 		perm_flags |= MSG_IGNORE_THREAD;
 
 	/* unset FULLY_CACHED flags */
 	perm_flags &= ~MSG_FULLY_CACHED;
 
 	if (procmsg_msg_has_flagged_parent(dest, MSG_WATCH_THREAD))
 		perm_flags |= MSG_WATCH_THREAD;
 
 	/* Unset tmp flags that should not be copied */
 	tmp_flags &= ~(MSG_MOVE | MSG_COPY | MSG_MOVE_DONE);
 
 	/* unset flags that are set but should not */
 	/* and set new flags */
 	procmsg_msginfo_change_flags(dest,
 				  ~dest->flags.perm_flags & perm_flags,
 				  ~dest->flags.tmp_flags  & tmp_flags,
 				   dest->flags.perm_flags & ~perm_flags,
 				   dest->flags.tmp_flags  & ~tmp_flags);
 
 	if (source && source->tags) {
 		g_slist_free(dest->tags);
 		dest->tags = g_slist_copy(source->tags);
 		folder_item_commit_tags(dest->folder, dest, dest->tags, NULL);
 	}
 }
 
 static void add_msginfo_to_cache(FolderItem *item, MsgInfo *newmsginfo, MsgInfo *flagsource)
 {
 	/* update folder stats */
 	if (MSG_IS_NEW(newmsginfo->flags))
 		item->new_msgs++;
 	if (MSG_IS_UNREAD(newmsginfo->flags))
 		item->unread_msgs++;
 	if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
 		item->unreadmarked_msgs++;
 	if (MSG_IS_MARKED(newmsginfo->flags))
 		item->marked_msgs++;
 	if (MSG_IS_REPLIED(newmsginfo->flags))
 		item->replied_msgs++;
 	if (MSG_IS_FORWARDED(newmsginfo->flags))
 		item->forwarded_msgs++;
 	if (MSG_IS_LOCKED(newmsginfo->flags))
 		item->locked_msgs++;
 	if (MSG_IS_IGNORE_THREAD(newmsginfo->flags))
 		item->ignored_msgs++;
 	if (MSG_IS_WATCH_THREAD(newmsginfo->flags))
 		item->watched_msgs++;
 	item->total_msgs++;
 
 	folder_item_update_freeze();
 
 	if (!item->cache)
 		folder_item_read_cache(item);
 
 	msgcache_add_msg(item->cache, newmsginfo);
 	copy_msginfo_flags(flagsource, newmsginfo);
 	folder_item_update_with_msg(item,  F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_ADDMSG, newmsginfo);
 	folder_item_update_thaw();
 }
 
 static void remove_msginfo_from_cache(FolderItem *item, MsgInfo *msginfo)
 {
 	MsgInfoUpdate msginfo_update;
 
 	if (!item->cache)
 		folder_item_read_cache(item);
 
 	if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
 		msginfo->folder->new_msgs--;
 	if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
 		msginfo->folder->unread_msgs--;
 	if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
 		msginfo->folder->unreadmarked_msgs--;
 	if (MSG_IS_MARKED(msginfo->flags))
 		item->marked_msgs--;
 	if (MSG_IS_REPLIED(msginfo->flags))
 		item->replied_msgs--;
 	if (MSG_IS_FORWARDED(msginfo->flags))
 		item->forwarded_msgs--;
 	if (MSG_IS_LOCKED(msginfo->flags))
 		item->locked_msgs--;
 	if (MSG_IS_IGNORE_THREAD(msginfo->flags))
 		item->ignored_msgs--;
 	if (MSG_IS_WATCH_THREAD(msginfo->flags))
 		item->watched_msgs--;
 
 	msginfo->folder->total_msgs--;
 
 	msginfo_update.msginfo = msginfo;
 	msginfo_update.flags = MSGINFO_UPDATE_DELETED;
 	hooks_invoke(MSGINFO_UPDATE_HOOKLIST, &msginfo_update);
 
 	msgcache_remove_msg(item->cache, msginfo->msgnum);
 	folder_item_update_with_msg(msginfo->folder, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_REMOVEMSG, msginfo);
 }
 
 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
 			 MsgFlags *flags, gboolean remove_source)
 {
         GSList file_list;
         MsgFileInfo fileinfo;
 
 	cm_return_val_if_fail(dest != NULL, -1);
 	cm_return_val_if_fail(file != NULL, -1);
 
 	fileinfo.msginfo = NULL;
         fileinfo.file = (gchar *)file;
         fileinfo.flags = flags;
         file_list.data = &fileinfo;
         file_list.next = NULL;
 
 	return folder_item_add_msgs(dest, &file_list, remove_source);
 }
 
 gint folder_item_add_msgs(FolderItem *dest, GSList *file_list,
                           gboolean remove_source)
 {
         Folder *folder;
         gint ret, num, lastnum = -1;
 	GSList *file_cur;
 	GHashTable *relation;
 	MsgFileInfo *fileinfo = NULL;
 	gboolean folderscan = FALSE;
 
         cm_return_val_if_fail(dest != NULL, -1);
         cm_return_val_if_fail(file_list != NULL, -1);
         cm_return_val_if_fail(dest->folder != NULL, -1);
 	if (dest->no_select)
 		return -1;
 
         folder = dest->folder;
 
 	relation = g_hash_table_new(g_direct_hash, g_direct_equal);
 
 	if (folder->klass->add_msgs != NULL) {
     		ret = folder->klass->add_msgs(folder, dest, file_list, relation);
 		if (ret < 0) {
 			g_hash_table_destroy(relation);
 			return ret;
 		}
 	} else {
 		for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
 			fileinfo = (MsgFileInfo *) file_cur->data;
 
     			ret = folder->klass->add_msg(folder, dest, fileinfo->file, fileinfo->flags);
 			if (ret < 0) {
 				g_hash_table_destroy(relation);
 				return ret;
 			}
 			g_hash_table_insert(relation, fileinfo, GINT_TO_POINTER(ret));
 		}
 	}
 
 	for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
 		gpointer data, old_key;
 
 		fileinfo = (MsgFileInfo *) file_cur->data;
 		if (g_hash_table_lookup_extended(relation, fileinfo, &old_key, &data))
 			num = GPOINTER_TO_INT(data);
 		else
 			num = -1;
 
 		if (num >= 0) {
 			MsgInfo *newmsginfo;
 
 			if (num == 0) {
 				if (!folderscan) {
 					folder_item_scan_full(dest, FALSE);
 					folderscan = TRUE;
 				}
 				num = folder_item_get_msg_num_by_file(dest, fileinfo->file);
 				debug_print("got num %d\n", num);
 			}
 
 			if (num > lastnum)
 				lastnum = num;
 
 			if (num >= 0 && remove_source) {
 				if (unlink(fileinfo->file) < 0)
 					FILE_OP_ERROR(fileinfo->file, "unlink");
 			}
 
 			if (num == 0)
 				continue;
 
 			if (!folderscan &&
 			    ((newmsginfo = get_msginfo(dest, num)) != NULL)) {
 				add_msginfo_to_cache(dest, newmsginfo, NULL);
 				procmsg_msginfo_free(&newmsginfo);
 			} else if ((newmsginfo = msgcache_get_msg(dest->cache, num)) != NULL) {
 				/* TODO: set default flags */
 				procmsg_msginfo_free(&newmsginfo);
 			}
 		}
 	}
 
 	g_hash_table_destroy(relation);
 
         return lastnum;
 }
 
 static FolderItem *folder_item_move_recursive(FolderItem *src, FolderItem *dest, gboolean copy)
 {
 	GSList *mlist;
 	FolderItem *new_item;
 	FolderItem *next_item;
 	GNode *srcnode;
 	gchar *old_id, *new_id;
 	FolderUpdateData hookdata;
 
 	/* move messages */
 	debug_print("%s %s to %s\n", copy?"Copying":"Moving", src->path, dest->path);
 	new_item = folder_create_folder(dest, src->name);
 	if (new_item == NULL) {
 		g_print("Can't create folder\n");
 		return NULL;
 	}
 
 	if (new_item->folder == NULL)
 		new_item->folder = dest->folder;
 
 	/* move messages */
 	log_message(LOG_PROTOCOL, copy ?_("Copying %s to %s...\n"):_("Moving %s to %s...\n"),
 			src->name, new_item->path);
 
 	/*copy prefs*/
 	folder_item_prefs_copy_prefs(src, new_item);
 
 	/* copy internal data */
 	if (src->folder->klass == new_item->folder->klass &&
 	    src->folder->klass->copy_private_data != NULL)
 		src->folder->klass->copy_private_data(src->folder,
 					src, new_item);
 	new_item->collapsed = src->collapsed;
 	new_item->thread_collapsed = src->thread_collapsed;
 	new_item->threaded  = src->threaded;
 	new_item->hide_read_msgs = src->hide_read_msgs;
 	new_item->hide_del_msgs = src->hide_del_msgs;
 	new_item->hide_read_threads = src->hide_read_threads;
 	new_item->sort_key  = src->sort_key;
 	new_item->sort_type = src->sort_type;
 
 	mlist = folder_item_get_msg_list(src);
 
 	if (mlist != NULL) {
 		if (copy)
 			folder_item_copy_msgs(new_item, mlist);
 		else
 			folder_item_move_msgs(new_item, mlist);
 		procmsg_msg_list_free(mlist);
 	}
 
 	/* recurse */
 	srcnode = src->folder->node;
 	srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
 	srcnode = srcnode->children;
 	while (srcnode != NULL) {
 		if (srcnode && srcnode->data) {
 			next_item = (FolderItem*) srcnode->data;
 			srcnode = srcnode->next;
 			if (folder_item_move_recursive(next_item, new_item, copy) == NULL) {
 				return NULL;
 			}
 		}
 	}
 	old_id = folder_item_get_identifier(src);
 	new_id = folder_item_get_identifier(new_item);
 
 	hookdata.folder = src->folder;
 	hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_MOVE_FOLDERITEM;
 	hookdata.item = src;
 	hookdata.item2 = new_item;
 	hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 
 	/* if src supports removing, otherwise only copy folder */
 	if (src->folder->klass->remove_folder != NULL && !copy)
 		src->folder->klass->remove_folder(src->folder, src);
 	folder_write_list();
 
 	if (!copy) {
 		debug_print("updating rules : %s => %s\n", old_id, new_id);
 		if (old_id != NULL && new_id != NULL) {
 			account_rename_path(old_id, new_id);
 		}
 	}
 	g_free(old_id);
 	g_free(new_id);
 
 	return new_item;
 }
 
 gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_item, gboolean copy)
 {
 	FolderItem *tmp = folder_item_parent(dest);
 	gchar * src_identifier, * dst_identifier;
 	gchar * phys_srcpath, * phys_dstpath, *tmppath, *tmpname;
 
 	while (tmp) {
 		if (tmp == src) {
 			return F_MOVE_FAILED_DEST_IS_CHILD;
 		}
 		tmp = folder_item_parent(tmp);
 	}
 
 	/* both dst and src can be root folders */
 	src_identifier = folder_item_get_identifier(src);
 	if (src_identifier == NULL && src->folder && folder_item_parent(src) == NULL) {
 		src_identifier = folder_get_identifier(src->folder);
 	}
 
 	dst_identifier = folder_item_get_identifier(dest);
 	if(dst_identifier == NULL && dest->folder && folder_item_parent(dest) == NULL) {
 		dst_identifier = folder_get_identifier(dest->folder);
 	}
 
 	if (src_identifier == NULL || dst_identifier == NULL) {
 		debug_print("Can't get identifiers\n");
 		if (src_identifier)
 			g_free(src_identifier);
 		if (dst_identifier)
 			g_free(dst_identifier);
 		return F_MOVE_FAILED;
 	}
 
 	if (src->folder != dest->folder && !copy) {
 		g_free(src_identifier);
 		g_free(dst_identifier);
 		return F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX;
 	}
 	g_free(src_identifier);
 	g_free(dst_identifier);
 
 	phys_srcpath = folder_item_get_path(src);
 	tmppath = folder_item_get_path(dest);
 	tmpname = g_path_get_basename(phys_srcpath);
 	phys_dstpath = g_strconcat(tmppath,
 		       G_DIR_SEPARATOR_S,
 		       tmpname,
 		       NULL);
 	g_free(tmpname);
 	g_free(tmppath);
 
 	if (folder_item_parent(src) == dest || src == dest) {
 		g_free(phys_srcpath);
 		g_free(phys_dstpath);
 		return F_MOVE_FAILED_DEST_IS_PARENT;
 	}
 	debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
 	if ((tmp = folder_item_move_recursive(src, dest, copy)) == NULL) {
 		g_free(phys_srcpath);
 		g_free(phys_dstpath);
 		return F_MOVE_FAILED;
 	}
 
 	g_free(phys_srcpath);
 	g_free(phys_dstpath);
 
 	*new_item = tmp;
 
 	return F_MOVE_OK;
 }
 
 struct find_data
 {
 	gboolean found;
 };
 static void find_num(gpointer key, gpointer value, gpointer data)
 {
 	struct find_data *fdata = (struct find_data *)data;
 	if (GPOINTER_TO_INT(value) == 0)
 		fdata->found = TRUE;
 }
 
 static gboolean some_msgs_have_zero_num(GHashTable *hashtable)
 {
 	struct find_data fdata;
 
 	fdata.found = FALSE;
 	g_hash_table_foreach(hashtable, find_num, &fdata);
 
 	return fdata.found;
 }
 
 /**
  * Copy a list of message to a new folder and remove
  * source messages if wanted
  */
 static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_source)
 {
 	Folder *folder;
 	GSList *l;
 	gint num, lastnum = -1;
 	gboolean folderscan = FALSE;
 	GHashTable *relation;
 	GSList *not_moved = NULL;
 	gint total = 0, curmsg = 0;
 	MsgInfo *msginfo = NULL;
 
 	cm_return_val_if_fail(dest != NULL, -1);
 	cm_return_val_if_fail(msglist != NULL, -1);
 
 	folder = dest->folder;
 
 	cm_return_val_if_fail(folder->klass->copy_msg != NULL, -1);
 	if (dest->no_select)
 		return -1;
 
 	msginfo = (MsgInfo *)msglist->data;
 
 	if (!msginfo)
 		return -1;
 
 	if (!MSG_IS_QUEUED(msginfo->flags) &&
 	    MSG_IS_DRAFT(msginfo->flags) &&
 	    folder_has_parent_of_type(dest, F_QUEUE)) {
 		GSList *cur = msglist;
 		gboolean queue_err = FALSE;
 		for (; cur; cur = cur->next) {
 			Compose *compose = NULL;
 			FolderItem *queue = dest;
 			ComposeQueueResult val = COMPOSE_QUEUE_SUCCESS;
 
 			msginfo = (MsgInfo *)cur->data;
 			compose = compose_reedit(msginfo, TRUE);
 			if (compose == NULL) {
 				queue_err = TRUE;
 				continue;
 			}
 			val = compose_queue(compose, NULL, &queue, NULL,
 					FALSE);
 			if (val != COMPOSE_QUEUE_SUCCESS) {
 				queue_err = TRUE;
 			} else if (remove_source) {
 				folder_item_remove_msg(msginfo->folder, msginfo->msgnum);
 			}
 			if (val == COMPOSE_QUEUE_SUCCESS)
 				compose_close(compose);
 		}
 		return queue_err ? -1:0;
 	}
 
 	relation = g_hash_table_new(g_direct_hash, g_direct_equal);
 
 	for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
 		MsgInfo * msginfo = (MsgInfo *) l->data;
 
 		if (msginfo->planned_download != 0) {
 			int old_planned = msginfo->planned_download;
 			/* little hack to reenable after */
 			msginfo->planned_download = old_planned;
 		}
 	}
 
 	/*
 	 * Copy messages to destination folder and
 	 * store new message numbers in newmsgnums
 	 */
 	if (folder->klass->copy_msgs != NULL) {
 		if (folder->klass->copy_msgs(folder, dest, msglist, relation) < 0) {
 			g_hash_table_destroy(relation);
 			return -1;
 		}
 	} else {
 		MsgInfo * msginfo;
 		l = msglist;
 
 		/* immediately stop if src and dest folders are identical */
 		if (l != NULL) {
 			msginfo = (MsgInfo *) l->data;
 			if (msginfo != NULL && msginfo->folder == dest) {
 				g_hash_table_destroy(relation);
 				return -1;
 			}
 		}
 
 		for (; l != NULL ; l = g_slist_next(l)) {
 			msginfo = (MsgInfo *) l->data;
 
 			num = folder->klass->copy_msg(folder, dest, msginfo);
 			if (num > 0)
 				g_hash_table_insert(relation, msginfo, GINT_TO_POINTER(num));
 			else
 				not_moved = g_slist_prepend(not_moved, msginfo);
 		}
 	}
 
 	if (remove_source) {
 		MsgInfo *msginfo = (MsgInfo *) msglist->data;
 		FolderItem *item = msginfo->folder;
 		/*
 		 * Remove source messages from their folders if
 		 * copying was successfull and update folder
 		 * message counts
 		 */
 		if (not_moved == NULL && item->folder->klass->remove_msgs) {
 			item->folder->klass->remove_msgs(item->folder,
 					    		        msginfo->folder,
 						    		msglist,
 								relation);
 		}
 		for (l = msglist; l != NULL; l = g_slist_next(l)) {
             	        gpointer old_key, data;
 			msginfo = (MsgInfo *) l->data;
 			item = msginfo->folder;
 
             		if (g_hash_table_lookup_extended(relation, msginfo, &old_key, &data))
 	            	        num = GPOINTER_TO_INT(data);
 			else
 				num = 0;
 
 			if (g_slist_find(not_moved, msginfo))
 				continue;
 
 			if ((num >= 0) && (item->folder->klass->remove_msg != NULL)) {
 				if (!item->folder->klass->remove_msgs)
 					item->folder->klass->remove_msg(item->folder,
 					    		        msginfo->folder,
 						    		msginfo->msgnum);
 				remove_msginfo_from_cache(item, msginfo);
 			}
 		}
 	}
 
 	/* Read cache for dest folder */
 	if (!dest->cache) folder_item_read_cache(dest);
 
 	/*
 	 * Fetch new MsgInfos for new messages in dest folder,
 	 * add them to the msgcache and update folder message counts
 	 */
 	if (some_msgs_have_zero_num(relation)) {
 		folder_item_scan_full(dest, FALSE);
 		folderscan = TRUE;
 	}
 
 	statusbar_print_all(_("Updating cache for %s..."), dest->path ? dest->path : "(null)");
 	total = g_slist_length(msglist);
 
 	if (FOLDER_TYPE(dest->folder) == F_IMAP && total > 1) {
 		folder_item_scan_full(dest, FALSE);
 		folderscan = TRUE;
 	}
 	folder_item_set_batch(dest, TRUE);
 	for (l = msglist; l != NULL; l = g_slist_next(l)) {
 		MsgInfo *msginfo = (MsgInfo *) l->data;
                 gpointer data, old_key;
 
 		if (!msginfo)
 			continue;
 
                 if (g_hash_table_lookup_extended(relation, msginfo, &old_key, &data))
 	                num = GPOINTER_TO_INT(data);
 		else
 			num = 0;
 
 		statusbar_progress_all(curmsg++,total, 100);
 		if (curmsg % 100 == 0)
 			GTK_EVENTS_FLUSH();
 
 		if (num >= 0) {
 			MsgInfo *newmsginfo = NULL;
 
 			if (!folderscan && num > 0) {
 				newmsginfo = get_msginfo(dest, num);
 				if (newmsginfo != NULL) {
 					add_msginfo_to_cache(dest, newmsginfo, msginfo);
 				}
 			}
 			if (newmsginfo == NULL) {
 				if (!folderscan) {
 					folder_item_scan_full(dest, FALSE);
 					folderscan = TRUE;
 				}
 				if (msginfo->msgid != NULL) {
 					newmsginfo = folder_item_get_msginfo_by_msgid(dest, msginfo->msgid);
 					if (newmsginfo != NULL) {
 						copy_msginfo_flags(msginfo, newmsginfo);
 						num = newmsginfo->msgnum;
 					}
 				}
 			}
 
 			if (!MSG_IS_POSTFILTERED (msginfo->flags)) {
 				procmsg_msginfo_set_flags (   msginfo, MSG_POSTFILTERED, 0);
 				if (newmsginfo) {
 					procmsg_msginfo_set_flags (newmsginfo, MSG_POSTFILTERED, 0);
 					hooks_invoke (MAIL_POSTFILTERING_HOOKLIST, newmsginfo);
 				}
 			}
 			procmsg_msginfo_free(&newmsginfo);
 
 			if (num > lastnum)
 				lastnum = num;
 		}
 	}
 	folder_item_set_batch(dest, FALSE);
 	statusbar_progress_all(0,0,0);
 	statusbar_pop_all();
 
 	g_hash_table_destroy(relation);
 	if (not_moved != NULL) {
 		g_slist_free(not_moved);
 		return -1;
 	} else
 		return lastnum;
 }
 
 /**
  * Move a message to a new folder.
  *
  * \param dest Destination folder
  * \param msginfo The message
  */
 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
 {
 	GSList list;
 
 	cm_return_val_if_fail(dest != NULL, -1);
 	cm_return_val_if_fail(msginfo != NULL, -1);
 
 	list.data = msginfo;
 	list.next = NULL;
 
 	return do_copy_msgs(dest, &list, TRUE);
 }
 
 /**
  * Move a list of messages to a new folder.
  *
  * \param dest Destination folder
  * \param msglist List of messages
  */
 gint folder_item_move_msgs(FolderItem *dest, GSList *msglist)
 {
 	gint result = -1;
 	cm_return_val_if_fail(dest != NULL, -1);
 	cm_return_val_if_fail(msglist != NULL, -1);
 	inc_lock();
 	result = do_copy_msgs(dest, msglist, TRUE);
 	inc_unlock();
 	return result;
 }
 
 /**
  * Copy a message to a new folder.
  *
  * \param dest Destination folder
  * \param msginfo The message
  */
 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
 {
 	GSList list;
 
 	cm_return_val_if_fail(dest != NULL, -1);
 	cm_return_val_if_fail(msginfo != NULL, -1);
 
 	list.data = msginfo;
 	list.next = NULL;
 
 	return do_copy_msgs(dest, &list, FALSE);
 }
 
 /**
  * Copy a list of messages to a new folder.
  *
  * \param dest Destination folder
  * \param msglist List of messages
  */
 gint folder_item_copy_msgs(FolderItem *dest, GSList *msglist)
 {
 	gint result;
 	cm_return_val_if_fail(dest != NULL, -1);
 	cm_return_val_if_fail(msglist != NULL, -1);
 
 	inc_lock();
 	result = do_copy_msgs(dest, msglist, FALSE);
 	inc_unlock();
 
 	return result;
 }
 
 gint folder_item_remove_msg(FolderItem *item, gint num)
 {
 	Folder *folder;
 	gint ret;
 	MsgInfo *msginfo;
 
 	cm_return_val_if_fail(item != NULL, -1);
 	folder = item->folder;
 	cm_return_val_if_fail(folder->klass->remove_msg != NULL, -1);
 	if (item->no_select)
 		return -1;
 
 	if (!item->cache) folder_item_read_cache(item);
 
 	msginfo = msgcache_get_msg(item->cache, num);
 	if (msginfo && MSG_IS_LOCKED(msginfo->flags)) {
 		procmsg_msginfo_free(&msginfo);
 		return -1;
 	}
 	ret = folder->klass->remove_msg(folder, item, num);
 
 	if (msginfo != NULL) {
 		if (ret == 0)
 			remove_msginfo_from_cache(item, msginfo);
 		procmsg_msginfo_free(&msginfo);
 	}
 
 	return ret;
 }
 
 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
 {
 	Folder *folder;
 	gint ret = 0;
 	GSList *real_list = NULL, *cur = NULL;
 
 	cm_return_val_if_fail(item != NULL, -1);
 	folder = item->folder;
 	cm_return_val_if_fail(folder != NULL, -1);
 	if (item->no_select)
 		return -1;
 	inc_lock();
 	if (!item->cache) folder_item_read_cache(item);
 
 	folder_item_update_freeze();
 
 	/* filter out locked mails */
 	for (cur = msglist; cur; cur = cur->next) {
 		MsgInfo *info = (MsgInfo *)cur->data;
 		if (!MSG_IS_LOCKED(info->flags))
 			real_list = g_slist_prepend(real_list, info);
 	}
 
 	real_list = g_slist_reverse(real_list);
 
 	if (item->folder->klass->remove_msgs) {
 		ret = item->folder->klass->remove_msgs(item->folder,
 					    		item,
 						    	real_list,
 							NULL);
 	}
 	cur = real_list;
 	while (ret == 0 && cur != NULL) {
 		MsgInfo *msginfo = (MsgInfo *)cur->data;
 		if (msginfo && MSG_IS_LOCKED(msginfo->flags)) {
 			cur = cur->next;
 			continue;
 		}
 		if (!item->folder->klass->remove_msgs)
 			ret = folder_item_remove_msg(item, msginfo->msgnum);
 		if (ret != 0) break;
 		msgcache_remove_msg(item->cache, msginfo->msgnum);
 		cur = cur->next;
 	}
 	g_slist_free(real_list);
 	folder_item_scan_full(item, FALSE);
 	folder_item_update_thaw();
 	inc_unlock();
 	return ret;
 }
 
 gint folder_item_expunge(FolderItem *item)
 {
 	Folder *folder = item->folder;
 	gint result = 0;
 	if (folder == NULL)
 		return -1;
 	if (folder->klass->expunge) {
 		GSList *msglist = folder_item_get_msg_list(item);
 		GSList *cur;
 		result = folder->klass->expunge(folder, item);
 		if (result == 0) {
 			for (cur = msglist; cur; cur = cur->next) {
 				MsgInfo *msginfo = (MsgInfo *)cur->data;
 				if (MSG_IS_DELETED(msginfo->flags)) {
 					remove_msginfo_from_cache(item, msginfo);
 				}
 			}
 		}
 		procmsg_msg_list_free(msglist);
 	}
 	return result;
 }
 
 gint folder_item_remove_all_msg(FolderItem *item)
 {
 	Folder *folder;
 	gint result;
 
 	cm_return_val_if_fail(item != NULL, -1);
 	if (item->no_select)
 		return -1;
 
 	folder = item->folder;
 
 	inc_lock();
 	if (folder->klass->remove_all_msg != NULL) {
 		result = folder->klass->remove_all_msg(folder, item);
 
 		if (result == 0) {
 			folder_item_free_cache(item, TRUE);
 			item->cache = msgcache_new();
 			item->cache_dirty = TRUE;
 			item->mark_dirty = TRUE;
 			item->tags_dirty = TRUE;
 		}
 	} else {
 		MsgInfoList *msglist;
 
 		msglist = folder_item_get_msg_list(item);
 		result = folder_item_remove_msgs(item, msglist);
 		procmsg_msg_list_free(msglist);
 	}
 
 	if (result == 0) {
 		item->new_msgs = 0;
 		item->unread_msgs = 0;
 		item->unreadmarked_msgs = 0;
 		item->marked_msgs = 0;
 		item->total_msgs = 0;
 		item->replied_msgs = 0;
 		item->forwarded_msgs = 0;
 		item->locked_msgs = 0;
 		item->ignored_msgs = 0;
 		item->watched_msgs = 0;
 		folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
 	}
 
 	inc_unlock();
 	return result;
 }
 
 void folder_item_change_msg_flags(FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
 {
 	cm_return_if_fail(item != NULL);
 	cm_return_if_fail(msginfo != NULL);
 
 	item->mark_dirty = TRUE;
 
 	if (item->no_select)
 		return;
 
 	if (item->folder->klass->change_flags != NULL && item->scanning != ITEM_SCANNING_WITH_FLAGS) {
 		item->folder->klass->change_flags(item->folder, item, msginfo, newflags);
 	} else {
 		msginfo->flags.perm_flags = newflags;
 	}
 }
 
 void folder_item_commit_tags(FolderItem *item, MsgInfo *msginfo, GSList *tags_set, GSList *tags_unset)
 {
 	Folder *folder = NULL;
 
 	if (!msginfo)
 		return;
 	if (!item)
 		return;
 	if (!tags_set && !tags_unset)
 		return;
 
 	folder = item->folder;
 	if (!folder)
 		return;
 
 	item->tags_dirty = TRUE;
 
 	if (folder->klass->commit_tags == NULL)
 		return;
 
 	folder->klass->commit_tags(item, msginfo, tags_set, tags_unset);
 }
 
 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
 {
 	Folder *folder;
 
 	cm_return_val_if_fail(item != NULL, FALSE);
 	if (item->no_select)
 		return FALSE;
 
 	folder = item->folder;
 
 	cm_return_val_if_fail(folder->klass->is_msg_changed != NULL, -1);
 
 	return folder->klass->is_msg_changed(folder, item, msginfo);
 }
 
 void folder_item_discard_cache(FolderItem *item)
 {
 	gchar *dir;
 	gchar *cache;
 
 	if (!item)
 		return;
 
 	if (item->cache) {
 		msgcache_destroy(item->cache);
 		item->cache = NULL;
 	}
 	dir = folder_item_get_path(item);
 	if (is_dir_exist(dir))
 		remove_all_numbered_files(dir);
 	g_free(dir);
 
 	cache = folder_item_get_cache_file(item);
 	unlink(cache);
 	g_free(cache);
 
 }
 
 static char *folder_item_get_cache_file(FolderItem *item)
 {
 	if (!item)
 		return NULL;
 
 	char *path = folder_item_get_path(item);
 	if (!path)
 		return NULL;
 	if (!is_dir_exist(path))
 		make_dir_hier(path);
 
 	char file[PATH_MAX];
 	strlcpy(file, path, sizeof(file));
 	strlcat(file, "/.claws_cache", sizeof(file));
 	free(path);
 	return strdup(file);
 }
 
 static gchar *folder_item_get_mark_file(FolderItem *item)
 {
 	gchar *path;
 	gchar *file;
 
 	cm_return_val_if_fail(item != NULL, NULL);
 	cm_return_val_if_fail(item->path != NULL, NULL);
 
 	path = folder_item_get_path(item);
 	cm_return_val_if_fail(path != NULL, NULL);
 	if (!is_dir_exist(path))
 		make_dir_hier(path);
 	file = g_strconcat(path, "/.claws_mark", NULL);
 	g_free(path);
 
 	return file;
 }
 
 const char *tags_dir = ".claws_tags";
 
 static gchar *folder_item_get_tags_file(FolderItem *item)
 {
 	gchar *path;
 	gchar *identifier;
 	gchar *file;
 
 	/* we save tags files in rc_dir, because tagsrc is there too,
 	 * and storing tags directly in the mailboxes would give strange
 	 * result when using another Claws mailbox from another install
 	 * with different tags. */
 
 	cm_return_val_if_fail(item != NULL, NULL);
 
 	identifier = folder_item_get_identifier(item);
 	cm_return_val_if_fail(identifier != NULL, NULL);
 
 	path = g_strconcat(get_rc_dir(), "/tagsdb/", identifier, NULL);
 	g_free(identifier);
 	if (!is_dir_exist(path))
 		make_dir_hier(path);
 	file = g_strconcat(path, "/.claws_tags", NULL);
 
 	g_free(path);
 
 	return file;
 }
 
 static gpointer xml_to_folder_item(gpointer nodedata, gpointer data)
 {
 	XMLNode *xmlnode = (XMLNode *) nodedata;
 	Folder *folder = (Folder *) data;
 	FolderItem *item;
 
 	cm_return_val_if_fail(xmlnode != NULL, NULL);
 	cm_return_val_if_fail(folder != NULL, NULL);
 
 	if (g_strcmp0(xmlnode->tag->tag, "folderitem") != 0) {
 		g_warning("tag name != \"folderitem\"");
 		return NULL;
 	}
 
 	item = folder_item_new(folder, "", "");
 	g_node_destroy(item->node);
 	if (folder->klass->item_set_xml != NULL)
 		folder->klass->item_set_xml(folder, item, xmlnode->tag);
 	else
 		folder_item_set_xml(folder, item, xmlnode->tag);
 
 	item->folder = folder;
 
 	switch (item->stype) {
 	case F_INBOX:  folder->inbox  = item; break;
 	case F_OUTBOX: folder->outbox = item; break;
 	case F_DRAFT:  folder->draft  = item; break;
 	case F_QUEUE:  folder->queue  = item; break;
 	case F_TRASH:  folder->trash  = item; break;
 	default:       break;
 	}
 	folder_item_prefs_read_config(item);
 
 	return item;
 }
 
 static gboolean folder_item_set_node(GNode *node, gpointer data)
 {
 	cm_return_val_if_fail(node->data != NULL, -1);
 
 	FolderItem *item = (FolderItem *) node->data;
 	item->node = node;
 
 	return FALSE;
 }
 
 static Folder *folder_get_from_xml(GNode *node)
 {
 	Folder *folder;
 	XMLNode *xmlnode;
 	GList *list;
 	FolderClass *klass = NULL;
 	GNode *cur;
 
 	cm_return_val_if_fail(node->data != NULL, NULL);
 
 	xmlnode = node->data;
 	if (g_strcmp0(xmlnode->tag->tag, "folder") != 0) {
 		g_warning("tag name != \"folder\"");
 		return NULL;
 	}
 	list = xmlnode->tag->attr;
 	for (; list != NULL; list = list->next) {
 		XMLAttr *attr = list->data;
 
 		if (!attr || !attr->name || !attr->value) continue;
 		if (!strcmp(attr->name, "type"))
 			klass = folder_get_class_from_string(attr->value);
 	}
 	if (klass == NULL)
 		return NULL;
 
 	folder = folder_new(klass, "", "");
 	cm_return_val_if_fail(folder != NULL, NULL);
 
 	if (klass->set_xml)
 		klass->set_xml(folder, xmlnode->tag);
 	else
 		folder_set_xml(folder, xmlnode->tag);
 
 	cur = node->children;
 	while (cur != NULL) {
 		GNode *itemnode;
 
 		itemnode = g_node_map(cur, xml_to_folder_item, (gpointer) folder);
 		g_node_append(folder->node, itemnode);
 		cur = cur->next;
 	}
 	g_node_traverse(folder->node, G_IN_ORDER, G_TRAVERSE_ALL, -1, folder_item_set_node, NULL);
 
 	return folder;
 }
 
 gchar *folder_get_list_path(void)
 {
 	static gchar *filename = NULL;
 
 	if (!filename)
 		filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 					FOLDER_LIST, NULL);
 
 	return filename;
 }
 
 static gpointer folder_item_to_xml(gpointer nodedata, gpointer data)
 {
 	FolderItem *item = (FolderItem *) nodedata;
 	XMLTag *tag;
 
 	cm_return_val_if_fail(item != NULL, NULL);
 
 	if (item->folder->klass->item_get_xml != NULL)
 		tag = item->folder->klass->item_get_xml(item->folder, item);
 	else
 		tag = folder_item_get_xml(item->folder, item);
 
 	return xml_node_new(tag, NULL);
 }
 
 static GNode *folder_get_xml_node(Folder *folder)
 {
 	GNode *node;
 	XMLNode *xmlnode;
 	XMLTag *tag;
 
 	cm_return_val_if_fail(folder != NULL, NULL);
 
 	if (folder->klass->get_xml != NULL)
 		tag = folder->klass->get_xml(folder);
 	else
 		tag = folder_get_xml(folder);
 
 	xml_tag_add_attr(tag, xml_attr_new("type", folder->klass->idstr));
 
 	xmlnode = xml_node_new(tag, NULL);
 
 	node = g_node_new(xmlnode);
 
 	cm_return_val_if_fail (folder->node != NULL, NULL);
 
 	if (folder->node->children) {
 		GNode *cur;
 
 		cur = folder->node->children;
 		while (cur) {
 			GNode *xmlnode;
 
 			xmlnode = g_node_map(cur, folder_item_to_xml, (gpointer) folder);
 			g_node_append(node, xmlnode);
 			cur = cur->next;
 		}
 	}
 
 	return node;
 }
 
 static void folder_update_op_count_rec(GNode *node)
 {
 	FolderItem *fitem = FOLDER_ITEM(node->data);
 
 	if (g_node_depth(node) > 0) {
 		if (fitem->op_count > 0) {
 			fitem->op_count = 0;
 			folder_item_update(fitem, F_ITEM_UPDATE_MSGCNT);
 		}
 		if (node->children) {
 			GNode *child;
 
 			child = node->children;
 			while (child) {
 				GNode *cur;
 
 				cur = child;
 				child = cur->next;
 				folder_update_op_count_rec(cur);
 			}
 		}
 	}
 }
 
 void folder_update_op_count(void)
 {
 	GList *cur;
 	Folder *folder;
 
 	for (cur = folder_list; cur != NULL; cur = cur->next) {
 		folder = cur->data;
 		folder_update_op_count_rec(folder->node);
 	}
 }
 
 typedef struct _type_str {
 	gchar * str;
 	gint type;
 } type_str;
 
 
 /*
 static gchar * folder_item_get_tree_identifier(FolderItem * item)
 {
 	if (item->parent != NULL) {
 		gchar * path;
 		gchar * id;
 
 		path = folder_item_get_tree_identifier(item->parent);
 		if (path == NULL)
 			return NULL;
 
 		id = g_strconcat(path, "/", item->name, NULL);
 		g_free(path);
 
 		return id;
 	}
 	else {
 		return g_strconcat("/", item->name, NULL);
 	}
 }
 */
 
 /* CLAWS: temporary local folder for filtering */
 #define TEMP_FOLDER "TEMP_FOLDER"
 #define PROCESSING_FOLDER_ITEM "processing"
 
 static FolderItem *folder_create_processing_folder(int account_id)
 {
 	static Folder *processing_folder = NULL;
 	FolderItem *processing_folder_item;
 
 	gchar *processing_folder_item_name = NULL;
 
         processing_folder_item_name = g_strdup_printf("%s-%d", PROCESSING_FOLDER_ITEM, account_id);
 
 	if (processing_folder == NULL) {
 		gchar *tmppath =
 		    g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 				"tempfolder", NULL);
 		processing_folder =
 		    folder_new(mh_get_class(), TEMP_FOLDER, tmppath);
 		g_free(tmppath);
 		tmppath = NULL;
 
 		g_assert(processing_folder != NULL);
 		processing_folder->klass->scan_tree(processing_folder);
 	}
 	g_assert(processing_folder != NULL);
 
 	processing_folder_item = folder_find_child_item_by_name(FOLDER_ITEM(processing_folder->node->data),
 					processing_folder_item_name);
 	if (processing_folder_item) {
 		debug_print("*TMP* already created %s\n", folder_item_get_path(processing_folder_item));
 	} else {
 		processing_folder_item = processing_folder->klass->create_folder(processing_folder,
 								   	         processing_folder->node->data,
 										 processing_folder_item_name);
 		folder_item_append(FOLDER_ITEM(processing_folder->node->data), processing_folder_item);
 		debug_print("*TMP* creating %s\n", folder_item_get_path(processing_folder_item));
 	}
 	g_free(processing_folder_item_name);
 	g_assert(processing_folder_item != NULL);
 
 	return(processing_folder_item);
 }
 
 FolderItem *folder_get_default_processing(int account_id)
 {
 	return folder_create_processing_folder(account_id);
 }
 
 /*
  *  functions for handling FolderItem content changes
  */
 static gint folder_item_update_freeze_cnt = 0;
 
 static void folder_item_update_with_msg(FolderItem *item, FolderItemUpdateFlags update_flags, MsgInfo *msg)
 {
 	if (folder_item_update_freeze_cnt == 0 /* || (msg != NULL && item->opened) */) {
 		FolderItemUpdateData source;
 
 		source.item = item;
 		source.update_flags = update_flags;
 		source.msg = msg;
     		hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
 	} else {
 		item->update_flags |= update_flags & ~(F_ITEM_UPDATE_ADDMSG | F_ITEM_UPDATE_REMOVEMSG);
 	}
 }
 
 /**
  * Notify the folder system about changes to a folder. If the
  * update system is not frozen the FOLDER_ITEM_UPDATE_HOOKLIST will
  * be invoked, otherwise the changes will be remebered until
  * the folder system is thawed.
  *
  * \param item The FolderItem that was changed
  * \param update_flags Type of changed that was made
  */
 void folder_item_update(FolderItem *item, FolderItemUpdateFlags update_flags)
 {
 	folder_item_update_with_msg(item, update_flags, NULL);
 }
 
 void folder_item_update_recursive(FolderItem *item, FolderItemUpdateFlags update_flags)
 {
 	GNode *node = item->folder->node;
 
 	node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 	node = node->children;
 
 	folder_item_update(item, update_flags);
 	while (node != NULL) {
 		if (node && node->data) {
 			FolderItem *next_item = (FolderItem*) node->data;
 
 			folder_item_update(next_item, update_flags);
 		}
 		node = node->next;
 	}
 }
 
 void folder_item_update_freeze(void)
 {
 	folder_item_update_freeze_cnt++;
 }
 
 static void folder_item_update_func(FolderItem *item, gpointer data)
 {
 	FolderItemUpdateData source;
 
 	if (item->update_flags) {
 		source.item = item;
 		source.update_flags = item->update_flags;
 		source.msg = NULL;
 		hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
 		item->update_flags = 0;
 	}
 }
 
 void folder_item_update_thaw(void)
 {
 	if (folder_item_update_freeze_cnt > 0)
 		folder_item_update_freeze_cnt--;
 	if (folder_item_update_freeze_cnt == 0) {
 		/* Update all folders */
 		folder_func_to_all_folders(folder_item_update_func, NULL);
 	}
 }
 
 void folder_item_synchronise(FolderItem *item)
 {
 	if (!item)
 		return;
 	if (item->prefs->offlinesync && item->folder->klass->synchronise) {
 		statusbar_print_all(_("Synchronising %s for offline use...\n"), item->path ? item->path : "(null)");
 		item->folder->klass->synchronise(item,
 			item->prefs->offlinesync_days);
 		if (item->prefs->offlinesync_days > 0 &&
 		    item->prefs->remove_old_bodies)
 			folder_item_clean_local_files(item, item->prefs->offlinesync_days);
 		statusbar_pop_all();
 	}
 }
 
 static void folder_item_synchronise_func(FolderItem *item, gpointer data)
 {
 	Folder *folder = (Folder *)data;
 	if (folder == NULL || item->folder == folder) {
 		folder_item_synchronise(item);
 	}
 }
 
 void folder_synchronise(Folder *folder)
 {
 	folder_func_to_all_folders(folder_item_synchronise_func, folder);
 }
 
 typedef struct _WantSyncData {
 	Folder *folder;
 	gboolean want_sync;
 } WantSyncData;
 
 static void folder_item_want_synchronise_func(FolderItem *item, gpointer data)
 {
 	WantSyncData *want_sync_data = (WantSyncData *)data;
 
 	if (want_sync_data->folder == NULL || item->folder == want_sync_data->folder) {
 		if (item->prefs->offlinesync && item->folder->klass->synchronise)
 			want_sync_data->want_sync |= TRUE;
 	}
 }
 
 gboolean folder_want_synchronise(Folder *folder)
 {
 	WantSyncData *want_sync_data = g_new0(WantSyncData, 1);
 	gboolean result;
 	want_sync_data->folder = folder;
 	want_sync_data->want_sync = FALSE;
 
 	folder_func_to_all_folders(folder_item_want_synchronise_func, want_sync_data);
 	result = want_sync_data->want_sync;
 	g_free(want_sync_data);
 	if (result > 0)
 		debug_print("Folder %s wants sync\n", folder->name);
 	return result;
 }
 
 void folder_item_set_batch (FolderItem *item, gboolean batch)
 {
 	if (!item || !item->folder)
 		return;
 	if (item->folder->klass->set_batch) {
 		item->folder->klass->set_batch(item->folder, item, batch);
 	}
 }
 
 gboolean folder_has_parent_of_type(FolderItem *item,
 					  SpecialFolderItemType type)
 {
 	FolderItem *cur = item;
 
 	if (!item)
 		return FALSE;
 	/* if we already know it, make it short */
 	if (item->parent_stype != -1) {
 		return (item->parent_stype == type);
 	}
 
 	/* if we don't, find the type from the first possible parent,
 	 * and set our parent type to be faster next time */
 	while (cur) {
 		if (cur->stype == type || cur->parent_stype == type) {
 			item->parent_stype = type;
 			return TRUE;
 		}
 		cur = folder_item_parent(cur);
 	}
 
 	/* if we didn't match what was asked, we didn't return. If our
 	 * parent type is unknown, we may as well find it now to be faster
 	 * later. */
 	if (item->parent_stype == -1) {
 		cur = item;
 		while (cur) {
 			/* here's an exception: Inbox subfolders are normal. */
 			if (item->parent_stype == -1 && cur->stype == F_INBOX
 			&& item != cur) {
 				item->parent_stype = F_NORMAL;
 				break;
 			}
 			/* ah, we know this parent's parent's type, we may as
 			 * well copy it instead of going up the full way */
 			if (cur->parent_stype != -1) {
 				item->parent_stype = cur->parent_stype;
 				break;
 			}
 			/* we found a parent that has a special type. That's
 			 * our parent type. */
 			if (cur->stype != F_NORMAL) {
 				cur->parent_stype = cur->stype;
 				item->parent_stype = cur->stype;
 				break;
 			}
 			/* if we didn't find anything, go up once more */
 			cur = folder_item_parent(cur);
 		}
 		/* as we still didn't find anything, our parents must all be
 		 * normal. */
 		if (item->parent_stype == -1) {
 			item->parent_stype = F_NORMAL;
 		}
 	}
 	return FALSE;
 }
 
 gboolean folder_is_child_of(FolderItem *item, FolderItem *parent)
 {
 	if (item == NULL || parent == NULL)
 		return FALSE;
 
 	while (item != NULL) {
 		if (parent == item)
 			return TRUE;
 
 		item = folder_item_parent(item);
 	}
 
 	return FALSE;
 }
 
 
 gboolean folder_subscribe (const gchar *uri)
 {
 	GList *cur;
 	for (cur = folder_get_list(); cur != NULL; cur = g_list_next(cur)) {
 		Folder *folder = (Folder *) cur->data;
 
 		if (folder->klass->subscribe
 		&&  folder->klass->subscribe(folder, uri)) {
 			return TRUE;
 		}
 	}
 	return FALSE;
 
 }
 
 gboolean folder_get_sort_type		(Folder		*folder,
 					 FolderSortKey	*sort_key,
 					 FolderSortType	*sort_type)
 {
 	if (!folder || !sort_key || !sort_type)
 		return FALSE;
 	if (folder->klass->get_sort_type == NULL)
 		return FALSE;
 	folder->klass->get_sort_type(folder, sort_key, sort_type);
 	return TRUE;
 }
 
 MsgNumberList *folder_item_get_number_list(FolderItem *item)
 {
 	GSList *nums = NULL;
 	GSList *msglist = folder_item_get_msg_list(item);
 
 	nums = procmsg_get_number_list_for_msgs(msglist);
 	procmsg_msg_list_free(msglist);
 
 	return nums;
 }
 
 /* Tests if a local (on disk) folder name is acceptable. */
 gboolean folder_local_name_ok(const gchar *name)
 {
 	return TRUE;
 }